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20088563057 is a prime number
BaseRepresentation
bin10010101101010111…
…110010010101110001
31220212000011201220222
4102231113302111301
5312120133004212
613121211342425
71310545653143
oct225527622561
956760151828
1020088563057
118579519832
123a87751a15
131b81b45804
14d87d7ac93
157c8911c72
hex4ad5f2571

20088563057 has 2 divisors, whose sum is σ = 20088563058. Its totient is φ = 20088563056.

The previous prime is 20088562973. The next prime is 20088563087. The reversal of 20088563057 is 75036588002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18128198881 + 1960364176 = 134641^2 + 44276^2 .

It is a cyclic number.

It is not a de Polignac number, because 20088563057 - 218 = 20088300913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20088562999 and 20088563017.

It is not a weakly prime, because it can be changed into another prime (20088563087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044281528 + 10044281529.

It is an arithmetic number, because the mean of its divisors is an integer number (10044281529).

Almost surely, 220088563057 is an apocalyptic number.

It is an amenable number.

20088563057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20088563057 is an equidigital number, since it uses as much as digits as its factorization.

20088563057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 20088563057 in words is "twenty billion, eighty-eight million, five hundred sixty-three thousand, fifty-seven".