220904700 has 72 divisors (see below), whose sum is σ = 652791552. Its totient is φ = 57650880.

The previous prime is 220904693. The next prime is 220904701. The reversal of 220904700 is 7409022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220904701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6267 + ... + 21933.

Almost surely, 2^220904700 is an apocalyptic number.

220904700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220904700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326395776).

220904700 is an abundant number, since it is smaller than the sum of its proper divisors (431886852).

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

220904700 is a wasteful number, since it uses less digits than its factorization.

220904700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731 (or 15724 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 220904700 is about 14862.8631158334. The cubic root of 220904700 is about 604.5074423667.

It can be divided in two parts, 22090 and 4700, that multiplied together give a cube (103823000 = 470³).

The spelling of 220904700 in words is "two hundred twenty million, nine hundred four thousand, seven hundred".