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20370323297 is a prime number
BaseRepresentation
bin10010111110001010…
…100111011101100001
31221120122100122022102
4102332022213131201
5313204300321142
613205154420145
71320536614442
oct227612473541
957518318272
1020370323297
118703575435
123b45b91655
131bc832844c
14db35632c9
157e351b532
hex4be2a7761

20370323297 has 2 divisors, whose sum is σ = 20370323298. Its totient is φ = 20370323296.

The previous prime is 20370323257. The next prime is 20370323317. The reversal of 20370323297 is 79232307302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16733750881 + 3636572416 = 129359^2 + 60304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20370323297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20370323297.

It is not a weakly prime, because it can be changed into another prime (20370323227) 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, 10185161648 + 10185161649.

It is an arithmetic number, because the mean of its divisors is an integer number (10185161649).

Almost surely, 220370323297 is an apocalyptic number.

It is an amenable number.

20370323297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20370323297 is an equidigital number, since it uses as much as digits as its factorization.

20370323297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 38.

The spelling of 20370323297 in words is "twenty billion, three hundred seventy million, three hundred twenty-three thousand, two hundred ninety-seven".