20465244256402 has 32 divisors (see below), whose sum is σ = 35829025992000. Its totient is φ = 8668312718400.

The previous prime is 20465244256393. The next prime is 20465244256423.

20465244256402 is nontrivially palindromic in base 10.

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, 401285277 + ... + 401336272.

It is an arithmetic number, because the mean of its divisors is an integer number (1119657062250).

Almost surely, 2^{20465244256402} is an apocalyptic number.

20465244256402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20465244256402 is a deficient number, since it is larger than the sum of its proper divisors (15363781735598).

20465244256402 is a wasteful number, since it uses less digits than its factorization.

20465244256402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802621642.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 20465244256402 in words is "twenty trillion, four hundred sixty-five billion, two hundred forty-four million, two hundred fifty-six thousand, four hundred two".