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20012204214 = 23219431360819
BaseRepresentation
bin10010101000110100…
…100000000010110110
31220122200111022021200
4102220310200002312
5311441111013324
613105442553330
71305630633462
oct225064400266
956580438250
1020012204214
11853a405252
123a66068846
131b6c08b872
14d7bb814a2
157c1d7bec9
hex4a8d200b6

20012204214 has 48 divisors (see below), whose sum is σ = 46703342400. Its totient is φ = 6172670448.

The previous prime is 20012204189. The next prime is 20012204249. The reversal of 20012204214 is 41240221002.

20012204214 is a `hidden beast` number, since 20 + 0 + 1 + 220 + 421 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 665704 + ... + 695115.

It is an arithmetic number, because the mean of its divisors is an integer number (972986300).

Almost surely, 220012204214 is an apocalyptic number.

20012204214 is an abundant number, since it is smaller than the sum of its proper divisors (26691138186).

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

20012204214 is a wasteful number, since it uses less digits than its factorization.

20012204214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360889 (or 1360886 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20012204214 its reverse (41240221002), we get a palindrome (61252425216).

The spelling of 20012204214 in words is "twenty billion, twelve million, two hundred four thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 19 38 43 57 86 114 129 171 258 342 387 774 817 1634 2451 4902 7353 14706 1360819 2721638 4082457 8164914 12247371 24494742 25855561 51711122 58515217 77566683 117030434 155133366 175545651 232700049 351091302 465400098 526636953 1053273906 1111789123 2223578246 3335367369 6670734738 10006102107 20012204214