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20023132122 = 234717657083
BaseRepresentation
bin10010101001011110…
…001011111111011010
31220200110001111120000
4102221132023333122
5312001410211442
613110513113430
71306122546330
oct225136137732
956613044500
1020023132122
118545599584
123a69858876
131b71416896
14d7d3c7b50
157c2cd9d4c
hex4a978bfda

20023132122 has 40 divisors (see below), whose sum is σ = 51276171936. Its totient is φ = 5720894568.

The previous prime is 20023132091. The next prime is 20023132127. The reversal of 20023132122 is 22123132002.

It is a super-3 number, since 3×200231321223 (a number of 32 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 20023132095 and 20023132104.

It is not an unprimeable number, because it can be changed into a prime (20023132127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8827408 + ... + 8829675.

Almost surely, 220023132122 is an apocalyptic number.

20023132122 is an abundant number, since it is smaller than the sum of its proper divisors (31253039814).

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

20023132122 is a wasteful number, since it uses less digits than its factorization.

20023132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17657104 (or 17657095 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20023132122 its reverse (22123132002), we get a palindrome (42146264124).

The spelling of 20023132122 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 378 567 1134 17657083 35314166 52971249 105942498 123599581 158913747 247199162 317827494 370798743 476741241 741597486 953482482 1112396229 1430223723 2224792458 2860447446 3337188687 6674377374 10011566061 20023132122