238805020 has 12 divisors (see below), whose sum is σ = 501490584. Its totient is φ = 95522000.

The previous prime is 238805003. The next prime is 238805029. The reversal of 238805020 is 20508832.

238805020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 238805020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238805029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970106 + ... + 5970145.

It is an arithmetic number, because the mean of its divisors is an integer number (41790882).

Almost surely, 2^238805020 is an apocalyptic number.

238805020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238805020 is an abundant number, since it is smaller than the sum of its proper divisors (262685564).

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

238805020 is a wasteful number, since it uses less digits than its factorization.

238805020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11940260 (or 11940258 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 238805020 is about 15453.3174431900. The cubic root of 238805020 is about 620.4133733067.

It can be divided in two parts, 23880 and 5020, that added together give a square (28900 = 170²).

The spelling of 238805020 in words is "two hundred thirty-eight million, eight hundred five thousand, twenty".