220142504 has 16 divisors (see below), whose sum is σ = 416555700. Its totient is φ = 109060992.

The previous prime is 220142471. The next prime is 220142513. The reversal of 220142504 is 405241022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219336100 + 806404 = 14810^2 + 898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125357 + ... + 127100.

Almost surely, 2^220142504 is an apocalyptic number.

It is an amenable number.

220142504 is a deficient number, since it is larger than the sum of its proper divisors (196413196).

220142504 is a wasteful number, since it uses less digits than its factorization.

220142504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252572 (or 252568 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 220142504 is about 14837.2000053919. The cubic root of 220142504 is about 603.8113894372.

Adding to 220142504 its reverse (405241022), we get a palindrome (625383526).

The spelling of 220142504 in words is "two hundred twenty million, one hundred forty-two thousand, five hundred four".