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20110013022 = 23111961326161
BaseRepresentation
bin10010101110101001…
…100111001001011110
31220220111112111202010
4102232221213021132
5312141130404042
613123255212050
71311226201401
oct225651471136
956814474663
1020110013022
11858a63a480
123a92977026
131b86415bb8
14d8ab61d38
157ca74c59c
hex4aea6725e

20110013022 has 64 divisors (see below), whose sum is σ = 46262787840. Its totient is φ = 5763571200.

The previous prime is 20110013017. The next prime is 20110013057. The reversal of 20110013022 is 22031001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110012989 and 20110013007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 755622 + ... + 781782.

It is an arithmetic number, because the mean of its divisors is an integer number (722856060).

Almost surely, 220110013022 is an apocalyptic number.

20110013022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110013022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23131393920).

20110013022 is an abundant number, since it is smaller than the sum of its proper divisors (26152774818).

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

20110013022 is a wasteful number, since it uses less digits than its factorization.

20110013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26809.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20110013022 its reverse (22031001102), we get a palindrome (42141014124).

The spelling of 20110013022 in words is "twenty billion, one hundred ten million, thirteen thousand, twenty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 613 627 1226 1254 1839 3678 6743 11647 13486 20229 23294 26161 34941 40458 52322 69882 78483 128117 156966 256234 287771 384351 497059 575542 768702 863313 994118 1491177 1726626 2982354 5467649 10935298 16036693 16402947 32073386 32805894 48110079 96220158 176403623 304697167 352807246 529210869 609394334 914091501 1058421738 1828183002 3351668837 6703337674 10055006511 20110013022