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20023998092 = 227715142789
BaseRepresentation
bin10010101001100001…
…011111011010001100
31220200111200111102222
4102221201133122030
5312002120414332
613110543434512
71306133114120
oct225141373214
956614614388
1020023998092
11854603015a
123a69bb5a38
131b7165aaa7
14d7d571580
157c2e0b712
hex4a985f68c

20023998092 has 12 divisors (see below), whose sum is σ = 40047996240. Its totient is φ = 8581713456.

The previous prime is 20023998047. The next prime is 20023998121. The reversal of 20023998092 is 29089932002.

20023998092 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357571367 + ... + 357571422.

It is an arithmetic number, because the mean of its divisors is an integer number (3337333020).

Almost surely, 220023998092 is an apocalyptic number.

It is an amenable number.

20023998092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20023998092 is a wasteful number, since it uses less digits than its factorization.

20023998092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715142800 (or 715142798 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 20023998092 in words is "twenty billion, twenty-three million, nine hundred ninety-eight thousand, ninety-two".

Divisors: 1 2 4 7 14 28 715142789 1430285578 2860571156 5005999523 10011999046 20023998092