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20020020020184 = 2334168632964527
BaseRepresentation
bin1001000110101010001100…
…01011101000001111011000
32121212220011121122220102210
410203111012023220033120
510111002000111121214
6110325023100355120
74134253521260442
oct443250613501730
977786147586383
1020020020020184
116419496420568
1222b4020245aa0
13b22b58b7b022
144d2d8d075492
1524ab77758b59
hex1235462e83d8

20020020020184 has 64 divisors (see below), whose sum is σ = 51278270883840. Its totient is φ = 6509624771840.

The previous prime is 20020020020183. The next prime is 20020020020227. The reversal of 20020020020184 is 48102002002002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020020020184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020020020183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5270929 + ... + 8235455.

It is an arithmetic number, because the mean of its divisors is an integer number (801222982560).

Almost surely, 220020020020184 is an apocalyptic number.

20020020020184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020020020184 is an abundant number, since it is smaller than the sum of its proper divisors (31258250863656).

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

20020020020184 is a wasteful number, since it uses less digits than its factorization.

20020020020184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971440 (or 2971436 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 20020020020184 its reverse (48102002002002), we get a palindrome (68122022022186).

The spelling of 20020020020184 in words is "twenty trillion, twenty billion, twenty million, twenty thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 41 82 123 164 246 328 492 984 6863 13726 20589 27452 41178 54904 82356 164712 281383 562766 844149 1125532 1688298 2251064 2964527 3376596 5929054 6753192 8893581 11858108 17787162 23716216 35574324 71148648 121545607 243091214 364636821 486182428 729273642 972364856 1458547284 2917094568 20345548801 40691097602 61036646403 81382195204 122073292806 162764390408 244146585612 488293171224 834167500841 1668335001682 2502502502523 3336670003364 5005005005046 6673340006728 10010010010092 20020020020184