38383021020 has 24 divisors (see below), whose sum is σ = 107472459024. Its totient is φ = 10235472256.

The previous prime is 38383021013. The next prime is 38383021031. The reversal of 38383021020 is 2012038383.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319858449 + ... + 319858568.

It is an arithmetic number, because the mean of its divisors is an integer number (4478019126).

Almost surely, 2^38383021020 is an apocalyptic number.

38383021020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38383021020 is an abundant number, since it is smaller than the sum of its proper divisors (69089438004).

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

38383021020 is a wasteful number, since it uses less digits than its factorization.

38383021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639717029 (or 639717027 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 38383021020 in words is "thirty-eight billion, three hundred eighty-three million, twenty-one thousand, twenty".