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20023200331332 = 223112634311338217
BaseRepresentation
bin1001000110110000000111…
…01111100011011001000100
32121220012101020222110011120
410203120003233203121010
510111030003241100312
6110330310425433540
74134425366415552
oct443300357433104
977805336873146
1020023200331332
11641a878646390
1222b476933b8b0
13b23244a14c43
144d31b15b6bd2
1524acb1a6828c
hex123603be3644

20023200331332 has 96 divisors (see below), whose sum is σ = 51280685051904. Its totient is φ = 6030536582400.

The previous prime is 20023200331301. The next prime is 20023200331403. The reversal of 20023200331332 is 23313300232002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14293488 + ... + 15631704.

It is an arithmetic number, because the mean of its divisors is an integer number (534173802624).

Almost surely, 220023200331332 is an apocalyptic number.

20023200331332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20023200331332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25640342525952).

20023200331332 is an abundant number, since it is smaller than the sum of its proper divisors (31257484720572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20023200331332 is a wasteful number, since it uses less digits than its factorization.

20023200331332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338929 (or 1338927 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 20023200331332 its reverse (23313300232002), we get a palindrome (43336500563334).

The spelling of 20023200331332 in words is "twenty trillion, twenty-three billion, two hundred million, three hundred thirty-one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 263 431 526 789 862 1052 1293 1578 1724 2586 2893 3156 4741 5172 5786 8679 9482 11572 14223 17358 18964 28446 34716 56892 113353 226706 340059 453412 680118 1246883 1338217 1360236 2493766 2676434 3740649 4014651 4987532 5352868 7481298 8029302 14720387 14962596 16058604 29440774 44161161 58881548 88322322 176644644 351951071 576771527 703902142 1055853213 1153543054 1407804284 1730314581 2111706426 2307086108 3460629162 3871461781 4223412852 6344486797 6921258324 7742923562 11614385343 12688973594 15485847124 19033460391 23228770686 25377947188 38066920782 46457541372 76133841564 151690911601 303381823202 455072734803 606763646404 910145469606 1668600027611 1820290939212 3337200055222 5005800082833 6674400110444 10011600165666 20023200331332