220900472 has 16 divisors (see below), whose sum is σ = 446049240. Its totient is φ = 101954016.

The previous prime is 220900457. The next prime is 220900481. The reversal of 220900472 is 274009022.

220900472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1061918 + ... + 1062125.

Almost surely, 2^220900472 is an apocalyptic number.

It is an amenable number.

220900472 is an abundant number, since it is smaller than the sum of its proper divisors (225148768).

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

220900472 is a wasteful number, since it uses less digits than its factorization.

220900472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124062 (or 2124058 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 220900472 is about 14862.7208814537. The cubic root of 220900472 is about 604.5035856904.

Adding to 220900472 its reverse (274009022), we get a palindrome (494909494).

The spelling of 220900472 in words is "two hundred twenty million, nine hundred thousand, four hundred seventy-two".