20361426651 has 16 divisors (see below), whose sum is σ = 30169362720. Its totient is φ = 13572355680.

The previous prime is 20361426623. The next prime is 20361426653. The reversal of 20361426651 is 15662416302.

It is a de Polignac number, because none of the positive numbers 2^k-20361426651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20361426653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154681 + ... + 254261.

It is an arithmetic number, because the mean of its divisors is an integer number (1885585170).

Almost surely, 2^20361426651 is an apocalyptic number.

20361426651 is a deficient number, since it is larger than the sum of its proper divisors (9807936069).

20361426651 is an equidigital number, since it uses as much as digits as its factorization.

20361426651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107163 (or 107157 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 20361426651 in words is "twenty billion, three hundred sixty-one million, four hundred twenty-six thousand, six hundred fifty-one".