38502020 has 24 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 15364832.

The previous prime is 38502011. The next prime is 38502049. The reversal of 38502020 is 2020583.

38502020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 38501983 and 38502001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7571 + ... + 11589.

It is an arithmetic number, because the mean of its divisors is an integer number (3376800).

Almost surely, 2^38502020 is an apocalyptic number.

It is an amenable number.

38502020 is an abundant number, since it is smaller than the sum of its proper divisors (42541180).

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

38502020 is a wasteful number, since it uses less digits than its factorization.

38502020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507 (or 4505 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 38502020 is about 6204.9995970991. Note that the first 3 decimals coincide. The cubic root of 38502020 is about 337.6715762263.

The spelling of 38502020 in words is "thirty-eight million, five hundred two thousand, twenty".