38402000220 has 24 divisors (see below), whose sum is σ = 107525600784. Its totient is φ = 10240533376.

The previous prime is 38402000141. The next prime is 38402000243. The reversal of 38402000220 is 2200020483.

It is a congruent number.

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, 320016609 + ... + 320016728.

It is an arithmetic number, because the mean of its divisors is an integer number (4480233366).

Almost surely, 2^38402000220 is an apocalyptic number.

38402000220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38402000220 is an abundant number, since it is smaller than the sum of its proper divisors (69123600564).

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

38402000220 is a wasteful number, since it uses less digits than its factorization.

38402000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640033349 (or 640033347 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The spelling of 38402000220 in words is "thirty-eight billion, four hundred two million, two hundred twenty", and thus it is an aban number.