220038957 has 8 divisors (see below), whose sum is σ = 325983680. Its totient is φ = 146692620.

The previous prime is 220038941. The next prime is 220038967. The reversal of 220038957 is 759830022.

It is a happy number.

220038957 is a `hidden beast` number, since 220 + 0 + 389 + 57 = 666.

It is not a de Polignac number, because 220038957 - 2⁴ = 220038941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220038967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4074769 + ... + 4074822.

It is an arithmetic number, because the mean of its divisors is an integer number (40747960).

Almost surely, 2^220038957 is an apocalyptic number.

220038957 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220038957 is a deficient number, since it is larger than the sum of its proper divisors (105944723).

220038957 is an equidigital number, since it uses as much as digits as its factorization.

220038957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149600 (or 8149594 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 220038957 is about 14833.7101562623. The cubic root of 220038957 is about 603.7167043094.

Adding to 220038957 its reverse (759830022), we get a palindrome (979868979).

The spelling of 220038957 in words is "two hundred twenty million, thirty-eight thousand, nine hundred fifty-seven".