20424042402 has 16 divisors (see below), whose sum is σ = 41952087552. Its totient is φ = 6624013680.

The previous prime is 20424042391. The next prime is 20424042427.

20424042402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45999874 + ... + 46000317.

It is an arithmetic number, because the mean of its divisors is an integer number (2622005472).

Almost surely, 2^20424042402 is an apocalyptic number.

20424042402 is an abundant number, since it is smaller than the sum of its proper divisors (21528045150).

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

20424042402 is a wasteful number, since it uses less digits than its factorization.

20424042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92000233.

The product of its (nonzero) digits is 4096, while the sum is 24.

It can be divided in two parts, 204240 and 42402, that added together give a palindrome (246642).

The spelling of 20424042402 in words is "twenty billion, four hundred twenty-four million, forty-two thousand, four hundred two".