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20404133022 = 23721319280979
BaseRepresentation
bin10011000000001011…
…100101110010011110
31221122222222100112110
4103000023211302132
5313241424224042
613212403214450
71321430161200
oct230013456236
957588870473
1020404133022
118720668159
123b55377426
131c023354c0
14db7c44770
157e649909c
hex4c02e5c9e

20404133022 has 96 divisors (see below), whose sum is σ = 53813289600. Its totient is φ = 5098064832.

The previous prime is 20404132993. The next prime is 20404133027. The reversal of 20404133022 is 22033140402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20404133022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404133027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67872 + ... + 213107.

It is an arithmetic number, because the mean of its divisors is an integer number (560555100).

Almost surely, 220404133022 is an apocalyptic number.

20404133022 is an abundant number, since it is smaller than the sum of its proper divisors (33409156578).

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

20404133022 is a wasteful number, since it uses less digits than its factorization.

20404133022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281030 (or 281023 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20404133022 its reverse (22033140402), we get a palindrome (42437273424).

The spelling of 20404133022 in words is "twenty billion, four hundred four million, one hundred thirty-three thousand, twenty-two".

Divisors: 1 2 3 6 7 13 14 19 21 26 38 39 42 49 57 78 91 98 114 133 147 182 247 266 273 294 399 494 546 637 741 798 931 1274 1482 1729 1862 1911 2793 3458 3822 5187 5586 10374 12103 24206 36309 72618 280979 561958 842937 1685874 1966853 3652727 3933706 5338601 5900559 7305454 10677202 10958181 11801118 13767971 16015803 21916362 25569089 27535942 32031606 37370207 41303913 51138178 69401813 74740414 76707267 82607826 112110621 138803626 153414534 178983623 208205439 224221242 261591449 357967246 416410878 485812691 523182898 536950869 784774347 971625382 1073901738 1457438073 1569548694 2914876146 3400688837 6801377674 10202066511 20404133022