20695159229963 has 2 divisors, whose sum is σ = 20695159229964. Its totient is φ = 20695159229962.

The previous prime is 20695159229959. The next prime is 20695159230001. The reversal of 20695159229963 is 36992295159602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20695159229963 - 2² = 20695159229959 is a prime.

It is a super-2 number, since 2×20695159229963² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20695159229893 and 20695159229902.

It is not a weakly prime, because it can be changed into another prime (20695159229363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10347579614981 + 10347579614982.

It is an arithmetic number, because the mean of its divisors is an integer number (10347579614982).

Almost surely, 2^{20695159229963} is an apocalyptic number.

20695159229963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20695159229963 is an equidigital number, since it uses as much as digits as its factorization.

20695159229963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141717600, while the sum is 68.

The spelling of 20695159229963 in words is "twenty trillion, six hundred ninety-five billion, one hundred fifty-nine million, two hundred twenty-nine thousand, nine hundred sixty-three".