220601004 has 48 divisors (see below), whose sum is σ = 578441472. Its totient is φ = 64924992.

The previous prime is 220600979. The next prime is 220601011. The reversal of 220601004 is 400106022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27154 + ... + 34329.

It is an arithmetic number, because the mean of its divisors is an integer number (12050864).

Almost surely, 2^220601004 is an apocalyptic number.

It is an amenable number.

220601004 is an abundant number, since it is smaller than the sum of its proper divisors (357840468).

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

220601004 is a wasteful number, since it uses less digits than its factorization.

220601004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61526 (or 61524 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220601004 is about 14852.6429971234. The cubic root of 220601004 is about 604.2302931601.

Adding to 220601004 its reverse (400106022), we get a palindrome (620707026).

The spelling of 220601004 in words is "two hundred twenty million, six hundred one thousand, four".