220502004 has 24 divisors (see below), whose sum is σ = 525452928. Its totient is φ = 71936640.

The previous prime is 220502003. The next prime is 220502017. The reversal of 220502004 is 400205022.

It is a super-2 number, since 2×220502004² = 97242267536032032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220502003) 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, 194917 + ... + 196044.

It is an arithmetic number, because the mean of its divisors is an integer number (21893872).

Almost surely, 2^220502004 is an apocalyptic number.

It is an amenable number.

220502004 is an abundant number, since it is smaller than the sum of its proper divisors (304950924).

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

220502004 is a wasteful number, since it uses less digits than its factorization.

220502004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391015 (or 391013 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 220502004 is about 14849.3098829542. The cubic root of 220502004 is about 604.1398920157.

Adding to 220502004 its reverse (400205022), we get a palindrome (620707026).

The spelling of 220502004 in words is "two hundred twenty million, five hundred two thousand, four".