220202004 has 24 divisors (see below), whose sum is σ = 560514528. Its totient is φ = 66727840.

The previous prime is 220201991. The next prime is 220202051. The reversal of 220202004 is 400202022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 833967 + ... + 834230.

It is an arithmetic number, because the mean of its divisors is an integer number (23354772).

Almost surely, 2^220202004 is an apocalyptic number.

It is an amenable number.

220202004 is an abundant number, since it is smaller than the sum of its proper divisors (340312524).

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

220202004 is a wasteful number, since it uses less digits than its factorization.

220202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668215 (or 1668213 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 220202004 is about 14839.2049652264. The cubic root of 220202004 is about 603.8657838116.

Adding to 220202004 its reverse (400202022), we get a palindrome (620404026).

The spelling of 220202004 in words is "two hundred twenty million, two hundred two thousand, four".