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20062563797 is a prime number
BaseRepresentation
bin10010101011110100…
…100110110111010101
31220210012020211122102
4102223310212313111
5312042004020142
613114442211445
71310111656433
oct225364466725
956705224572
1020062563797
118565881141
123a7aab3b85
131b79641833
14d8472dd53
157c64c8532
hex4abd26dd5

20062563797 has 2 divisors, whose sum is σ = 20062563798. Its totient is φ = 20062563796.

The previous prime is 20062563779. The next prime is 20062563799. The reversal of 20062563797 is 79736526002.

It is a happy number.

Together with previous prime (20062563779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18563790001 + 1498773796 = 136249^2 + 38714^2 .

It is a cyclic number.

It is not a de Polignac number, because 20062563797 - 28 = 20062563541 is a prime.

It is a super-2 number, since 2×200625637972 (a number of 21 digits) contains 22 as substring.

Together with 20062563799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20062563799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10031281898 + 10031281899.

It is an arithmetic number, because the mean of its divisors is an integer number (10031281899).

Almost surely, 220062563797 is an apocalyptic number.

It is an amenable number.

20062563797 is a deficient number, since it is larger than the sum of its proper divisors (1).

20062563797 is an equidigital number, since it uses as much as digits as its factorization.

20062563797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 20062563797 in words is "twenty billion, sixty-two million, five hundred sixty-three thousand, seven hundred ninety-seven".