20344314623635 has 16 divisors (see below), whose sum is σ = 24490640123712. Its totient is φ = 16223811868800.

The previous prime is 20344314623627. The next prime is 20344314623641. The reversal of 20344314623635 is 53632641344302.

It is a happy number.

It is not a de Polignac number, because 20344314623635 - 2³ = 20344314623627 is a prime.

It is a super-2 number, since 2×20344314623635² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135634330 + ... + 135784240.

It is an arithmetic number, because the mean of its divisors is an integer number (1530665007732).

Almost surely, 2^{20344314623635} is an apocalyptic number.

20344314623635 is a deficient number, since it is larger than the sum of its proper divisors (4146325500077).

20344314623635 is a wasteful number, since it uses less digits than its factorization.

20344314623635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235854.

The product of its (nonzero) digits is 3732480, while the sum is 46.

Adding to 20344314623635 its reverse (53632641344302), we get a palindrome (73976955967937).

The spelling of 20344314623635 in words is "twenty trillion, three hundred forty-four billion, three hundred fourteen million, six hundred twenty-three thousand, six hundred thirty-five".