38313020 has 24 divisors (see below), whose sum is σ = 81593568. Its totient is φ = 15108800.

The previous prime is 38313017. The next prime is 38313059. The reversal of 38313020 is 2031383.

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 = 38312983 and 38313001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12071 + ... + 14910.

It is an arithmetic number, because the mean of its divisors is an integer number (3399732).

Almost surely, 2^38313020 is an apocalyptic number.

It is an amenable number.

38313020 is an abundant number, since it is smaller than the sum of its proper divisors (43280548).

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

38313020 is a wasteful number, since it uses less digits than its factorization.

38313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27061 (or 27059 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 38313020 is about 6189.7512066318. The cubic root of 38313020 is about 337.1181451703.

The spelling of 38313020 in words is "thirty-eight million, three hundred thirteen thousand, twenty".