20365226345635 has 32 divisors (see below), whose sum is σ = 25745703966720. Its totient is φ = 15446230756992.

The previous prime is 20365226345587. The next prime is 20365226345641. The reversal of 20365226345635 is 53654362256302.

It is a cyclic number.

It is not a de Polignac number, because 20365226345635 - 2⁷ = 20365226345507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3185215 + ... + 7132744.

It is an arithmetic number, because the mean of its divisors is an integer number (804553248960).

Almost surely, 2^{20365226345635} is an apocalyptic number.

20365226345635 is a deficient number, since it is larger than the sum of its proper divisors (5380477621085).

20365226345635 is a wasteful number, since it uses less digits than its factorization.

20365226345635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318275.

The product of its (nonzero) digits is 23328000, while the sum is 52.

The spelling of 20365226345635 in words is "twenty trillion, three hundred sixty-five billion, two hundred twenty-six million, three hundred forty-five thousand, six hundred thirty-five".