38020540 has 12 divisors (see below), whose sum is σ = 79843176. Its totient is φ = 15208208.

The previous prime is 38020529. The next prime is 38020583. The reversal of 38020540 is 4502083.

It is a super-2 number, since 2×38020540² = 2891122923783200, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 950494 + ... + 950533.

It is an arithmetic number, because the mean of its divisors is an integer number (6653598).

Almost surely, 2^38020540 is an apocalyptic number.

It is an amenable number.

38020540 is an abundant number, since it is smaller than the sum of its proper divisors (41822636).

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

38020540 is a wasteful number, since it uses less digits than its factorization.

38020540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901036 (or 1901034 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 38020540 is about 6166.0797918937. The cubic root of 38020540 is about 336.2581043085.

The spelling of 38020540 in words is "thirty-eight million, twenty thousand, five hundred forty".