20423422432402 has 32 divisors (see below), whose sum is σ = 33437864300544. Its totient is φ = 9278453350800.

The previous prime is 20423422432381. The next prime is 20423422432433.

20423422432402 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, 352153627 + ... + 352211617.

It is an arithmetic number, because the mean of its divisors is an integer number (1044933259392).

Almost surely, 2^{20423422432402} is an apocalyptic number.

20423422432402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20423422432402 is a deficient number, since it is larger than the sum of its proper divisors (13014441868142).

20423422432402 is a wasteful number, since it uses less digits than its factorization.

20423422432402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66214.

The product of its (nonzero) digits is 147456, while the sum is 34.

It can be divided in two parts, 2042342 and 2432402, that added together give a palindrome (4474744).

The spelling of 20423422432402 in words is "twenty trillion, four hundred twenty-three billion, four hundred twenty-two million, four hundred thirty-two thousand, four hundred two".