220471672 has 16 divisors (see below), whose sum is σ = 420391800. Its totient is φ = 108367200.

The previous prime is 220471663. The next prime is 220471697. The reversal of 220471672 is 276174022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233079 + ... + 234022.

Almost surely, 2^220471672 is an apocalyptic number.

It is an amenable number.

220471672 is a deficient number, since it is larger than the sum of its proper divisors (199920128).

220471672 is a wasteful number, since it uses less digits than its factorization.

220471672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467166 (or 467162 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 220471672 is about 14848.2885209037. The cubic root of 220471672 is about 604.1121891511.

The spelling of 220471672 in words is "two hundred twenty million, four hundred seventy-one thousand, six hundred seventy-two".