38152020 has 24 divisors (see below), whose sum is σ = 106825824. Its totient is φ = 10173856.

The previous prime is 38152013. The next prime is 38152021. The reversal of 38152020 is 2025183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38152021) by changing a digit.

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, 317874 + ... + 317993.

It is an arithmetic number, because the mean of its divisors is an integer number (4451076).

Almost surely, 2^38152020 is an apocalyptic number.

38152020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38152020 is an abundant number, since it is smaller than the sum of its proper divisors (68673804).

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

38152020 is a wasteful number, since it uses less digits than its factorization.

38152020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635879 (or 635877 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 38152020 is about 6176.7321457224. The cubic root of 38152020 is about 336.6452665329.

The spelling of 38152020 in words is "thirty-eight million, one hundred fifty-two thousand, twenty".