38392020 has 36 divisors (see below), whose sum is σ = 116456340. Its totient is φ = 10237824.

The previous prime is 38391971. The next prime is 38392033. The reversal of 38392020 is 2029383.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 34082244 = 2076^2 + 5838^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 106465 + ... + 106824.

Almost surely, 2^38392020 is an apocalyptic number.

38392020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38392020 is an abundant number, since it is smaller than the sum of its proper divisors (78064320).

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

38392020 is a wasteful number, since it uses less digits than its factorization.

38392020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213304 (or 213299 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 38392020 is about 6196.1294369953. The cubic root of 38392020 is about 337.3496943882.

The spelling of 38392020 in words is "thirty-eight million, three hundred ninety-two thousand, twenty".