238708220 has 36 divisors (see below), whose sum is σ = 532522200. Its totient is φ = 89864448.

The previous prime is 238708219. The next prime is 238708241. The reversal of 238708220 is 22807832.

It is a super-2 number, since 2×238708220² = 113963228591136800, 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 (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14870 + ... + 26429.

Almost surely, 2^238708220 is an apocalyptic number.

238708220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238708220 is an abundant number, since it is smaller than the sum of its proper divisors (293813980).

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

238708220 is a wasteful number, since it uses less digits than its factorization.

238708220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41342 (or 41323 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 238708220 is about 15450.1851121597. The cubic root of 238708220 is about 620.3295334569.

The spelling of 238708220 in words is "two hundred thirty-eight million, seven hundred eight thousand, two hundred twenty".