220149503 has 12 divisors (see below), whose sum is σ = 257430240. Its totient is φ = 187713792.

The previous prime is 220149481. The next prime is 220149511. The reversal of 220149503 is 305941022.

It is not a de Polignac number, because 220149503 - 2²⁰ = 219100927 is a prime.

It is a super-2 number, since 2×220149503² = 96931607342294018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220149533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183 + ... + 21096.

It is an arithmetic number, because the mean of its divisors is an integer number (21452520).

Almost surely, 2^220149503 is an apocalyptic number.

220149503 is a deficient number, since it is larger than the sum of its proper divisors (37280737).

220149503 is a wasteful number, since it uses less digits than its factorization.

220149503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23486 (or 23479 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 220149503 is about 14837.4358633829. The cubic root of 220149503 is about 603.8177883697.

The spelling of 220149503 in words is "two hundred twenty million, one hundred forty-nine thousand, five hundred three".