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20224020612 = 22323148149477
BaseRepresentation
bin10010110101011100…
…100001000010000100
31221012110001200202110
4102311130201002010
5312404322124422
613142450541020
71314112224135
oct226534410204
957173050673
1020224020612
118638a29024
123b04b97770
131ba3c22403
14d9bd5bc8c
157d576c60c
hex4b5721084

20224020612 has 48 divisors (see below), whose sum is σ = 49275338112. Its totient is φ = 6443754240.

The previous prime is 20224020611. The next prime is 20224020637. The reversal of 20224020612 is 21602042202.

It is a super-2 number, since 2×202240206122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20224020611) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 384018 + ... + 433494.

It is an arithmetic number, because the mean of its divisors is an integer number (1026569544).

Almost surely, 220224020612 is an apocalyptic number.

It is an amenable number.

20224020612 is an abundant number, since it is smaller than the sum of its proper divisors (29051317500).

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

20224020612 is a wasteful number, since it uses less digits than its factorization.

20224020612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50988 (or 50986 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20224020612 its reverse (21602042202), we get a palindrome (41826062814).

The spelling of 20224020612 in words is "twenty billion, two hundred twenty-four million, twenty thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1481 2962 4443 5924 8886 17772 34063 49477 68126 98954 102189 136252 148431 197908 204378 296862 408756 593724 1137971 2275942 3413913 4551884 6827826 13655652 73275437 146550874 219826311 293101748 439652622 879305244 1685335051 3370670102 5056005153 6741340204 10112010306 20224020612