20424211242402 has 64 divisors (see below), whose sum is σ = 44861602775040. Its totient is φ = 6147540048000.

The previous prime is 20424211242367. The next prime is 20424211242473.

20424211242402 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 20424211242402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102679999 + ... + 102878717.

It is an arithmetic number, because the mean of its divisors is an integer number (700962543360).

Almost surely, 2^{20424211242402} is an apocalyptic number.

20424211242402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20424211242402 is an abundant number, since it is smaller than the sum of its proper divisors (24437391532638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20424211242402 is a wasteful number, since it uses less digits than its factorization.

20424211242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209199.

The product of its (nonzero) digits is 16384, while the sum is 30.

It can be divided in two parts, 2042421 and 1242402, that added together give a palindrome (3284823).

The spelling of 20424211242402 in words is "twenty trillion, four hundred twenty-four billion, two hundred eleven million, two hundred forty-two thousand, four hundred two".