20042602720 has 96 divisors (see below), whose sum is σ = 55373649408. Its totient is φ = 6711925248.

The previous prime is 20042602691. The next prime is 20042602733. The reversal of 20042602720 is 2720624002.

It is a congruent 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, 159924 + ... + 256243.

It is an arithmetic number, because the mean of its divisors is an integer number (576808848).

Almost surely, 2^20042602720 is an apocalyptic number.

20042602720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042602720 is an abundant number, since it is smaller than the sum of its proper divisors (35331046688).

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

20042602720 is a wasteful number, since it uses less digits than its factorization.

20042602720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416232 (or 416224 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The spelling of 20042602720 in words is "twenty billion, forty-two million, six hundred two thousand, seven hundred twenty".