220142004 has 12 divisors (see below), whose sum is σ = 513664704. Its totient is φ = 73380664.

The previous prime is 220141973. The next prime is 220142017. The reversal of 220142004 is 400241022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 9172572 + ... + 9172595.

It is an arithmetic number, because the mean of its divisors is an integer number (42805392).

Almost surely, 2^220142004 is an apocalyptic number.

It is an amenable number.

220142004 is an abundant number, since it is smaller than the sum of its proper divisors (293522700).

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

220142004 is a wasteful number, since it uses less digits than its factorization.

220142004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18345174 (or 18345172 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 220142004 is about 14837.1831558419. The cubic root of 220142004 is about 603.8109323001.

Adding to 220142004 its reverse (400241022), we get a palindrome (620383026).

The spelling of 220142004 in words is "two hundred twenty million, one hundred forty-two thousand, four".