220903101 has 12 divisors (see below), whose sum is σ = 335876320. Its totient is φ = 139517640.

The previous prime is 220903097. The next prime is 220903103. The reversal of 220903101 is 101309022.

It is a happy number.

It is not a de Polignac number, because 220903101 - 2² = 220903097 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 (220903103) by changing a digit.

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, 645745 + ... + 646086.

Almost surely, 2^220903101 is an apocalyptic number.

It is an amenable number.

220903101 is a deficient number, since it is larger than the sum of its proper divisors (114973219).

220903101 is a wasteful number, since it uses less digits than its factorization.

220903101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291856 (or 1291853 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 220903101 is about 14862.8093239468. The cubic root of 220903101 is about 604.5059838046.

The spelling of 220903101 in words is "two hundred twenty million, nine hundred three thousand, one hundred one".