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20033333124 = 2237436782781
BaseRepresentation
bin10010101010000101…
…000110011110000100
31220201011020202200220
4102222011012132010
5312012013124444
613111515504340
71306305344010
oct225205063604
956634222626
1020033333124
118550326762
123a711580b0
131b73578a8c
14d808c1540
157c3b52619
hex4aa146784

20033333124 has 96 divisors (see below), whose sum is σ = 55481158656. Its totient is φ = 5507187840.

The previous prime is 20033333093. The next prime is 20033333179. The reversal of 20033333124 is 42133333002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20033333094 and 20033333103.

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, 200614 + ... + 283394.

It is an arithmetic number, because the mean of its divisors is an integer number (577928736).

Almost surely, 220033333124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033333124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27740579328).

20033333124 is an abundant number, since it is smaller than the sum of its proper divisors (35447825532).

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

20033333124 is a wasteful number, since it uses less digits than its factorization.

20033333124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82905 (or 82903 counting only the distinct ones).

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

Adding to 20033333124 its reverse (42133333002), we get a palindrome (62166666126).

The spelling of 20033333124 in words is "twenty billion, thirty-three million, three hundred thirty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 67 84 86 129 134 172 201 258 268 301 402 469 516 602 804 903 938 1204 1407 1806 1876 2814 2881 3612 5628 5762 8643 11524 17286 20167 34572 40334 60501 80668 82781 121002 165562 242004 248343 331124 496686 579467 993372 1158934 1738401 2317868 3476802 3559583 5546327 6953604 7119166 10678749 11092654 14238332 16638981 21357498 22185308 24917081 33277962 38824289 42714996 49834162 66555924 74751243 77648578 99668324 116472867 149502486 155297156 232945734 238492061 299004972 465891468 476984122 715476183 953968244 1430952366 1669444427 2861904732 3338888854 5008333281 6677777708 10016666562 20033333124