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20300000022 = 2329643116953
BaseRepresentation
bin10010111001111110…
…010110101100010110
31221101202000211220200
4102321332112230112
5313033300000042
613154203241330
71316024103351
oct227176265426
957352024820
1020300000022
118677903525
123b26519246
131bb68a5743
14da8099298
157dc279c4c
hex4b9f96b16

20300000022 has 24 divisors (see below), whose sum is σ = 43988270664. Its totient is φ = 6765907104.

The previous prime is 20300000009. The next prime is 20300000069. The reversal of 20300000022 is 22000000302.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115098 + ... + 232050.

It is an arithmetic number, because the mean of its divisors is an integer number (1832844611).

Almost surely, 220300000022 is an apocalyptic number.

20300000022 is an abundant number, since it is smaller than the sum of its proper divisors (23688270642).

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

20300000022 is a wasteful number, since it uses less digits than its factorization.

20300000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126604 (or 126601 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20300000022 its reverse (22000000302), we get a palindrome (42300000324).

The spelling of 20300000022 in words is "twenty billion, three hundred million, twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 9643 19286 28929 57858 86787 116953 173574 233906 350859 701718 1052577 2105154 1127777779 2255555558 3383333337 6766666674 10150000011 20300000022