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20334251892 = 2237012417291
BaseRepresentation
bin10010111100000001…
…000000111101110100
31221111010111000122110
4102330001000331310
5313121032030032
613201425331020
71316621201133
oct227401007564
957433430573
1020334251892
118695178459
123b35a96a70
131bc0a08b16
14dac85391a
157e02937cc
hex4bc040f74

20334251892 has 24 divisors (see below), whose sum is σ = 47514291552. Its totient is φ = 6768412000.

The previous prime is 20334251891. The next prime is 20334251909. The reversal of 20334251892 is 29815243302.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 20334251892.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334251891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200234 + ... + 1217057.

It is an arithmetic number, because the mean of its divisors is an integer number (1979762148).

Almost surely, 220334251892 is an apocalyptic number.

It is an amenable number.

20334251892 is an abundant number, since it is smaller than the sum of its proper divisors (27180039660).

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

20334251892 is a wasteful number, since it uses less digits than its factorization.

20334251892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417999 (or 2417997 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20334251892 in words is "twenty billion, three hundred thirty-four million, two hundred fifty-one thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 12 701 1402 2103 2804 4206 8412 2417291 4834582 7251873 9669164 14503746 29007492 1694520991 3389041982 5083562973 6778083964 10167125946 20334251892