39200020 has 24 divisors (see below), whose sum is σ = 84546504. Its totient is φ = 15255936.

The previous prime is 39199939. The next prime is 39200041. The reversal of 39200020 is 2000293.

It can be written as a sum of positive squares in 4 ways, for example, as 19236996 + 19963024 = 4386^2 + 4468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39199967 and 39200003.

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, 25747 + ... + 27226.

It is an arithmetic number, because the mean of its divisors is an integer number (3522771).

Almost surely, 2^39200020 is an apocalyptic number.

It is an amenable number.

39200020 is an abundant number, since it is smaller than the sum of its proper divisors (45346484).

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

39200020 is a wasteful number, since it uses less digits than its factorization.

39200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53019 (or 53017 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 39200020 is about 6260.9919341906. The cubic root of 39200020 is about 339.6999082204.

It can be divided in two parts, 392000 and 20, that multiplied together give a square (7840000 = 2800²).

The spelling of 39200020 in words is "thirty-nine million, two hundred thousand, twenty".