38902020 has 48 divisors (see below), whose sum is σ = 109226880. Its totient is φ = 10345216.

The previous prime is 38902013. The next prime is 38902027. The reversal of 38902020 is 2020983.

It is an interprime number because it is at equal distance from previous prime (38902013) and next prime (38902027).

It is not an unprimeable number, because it can be changed into a prime (38902027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29536 + ... + 30824.

It is an arithmetic number, because the mean of its divisors is an integer number (2275560).

Almost surely, 2^38902020 is an apocalyptic number.

38902020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38902020 is an abundant number, since it is smaller than the sum of its proper divisors (70324860).

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

38902020 is a wasteful number, since it uses less digits than its factorization.

38902020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 38902020 is about 6237.1483868832. The cubic root of 38902020 is about 338.8369139238.

The spelling of 38902020 in words is "thirty-eight million, nine hundred two thousand, twenty".