39001020 has 24 divisors (see below), whose sum is σ = 109203024. Its totient is φ = 10400256.

The previous prime is 39001003. The next prime is 39001033. The reversal of 39001020 is 2010093.

It is a super-2 number, since 2×39001020² = 3042159122080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 324949 + ... + 325068.

It is an arithmetic number, because the mean of its divisors is an integer number (4550126).

Almost surely, 2^39001020 is an apocalyptic number.

39001020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39001020 is an abundant number, since it is smaller than the sum of its proper divisors (70202004).

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

39001020 is a wasteful number, since it uses less digits than its factorization.

39001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650029 (or 650027 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 39001020 is about 6245.0796632229. The cubic root of 39001020 is about 339.1241007164.

The spelling of 39001020 in words is "thirty-nine million, one thousand, twenty".