220768472 has 8 divisors (see below), whose sum is σ = 413940900. Its totient is φ = 110384232.

The previous prime is 220768469. The next prime is 220768481. The reversal of 220768472 is 274867022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13798022 + ... + 13798037.

Almost surely, 2^220768472 is an apocalyptic number.

It is an amenable number.

220768472 is a deficient number, since it is larger than the sum of its proper divisors (193172428).

220768472 is a wasteful number, since it uses less digits than its factorization.

220768472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27596065 (or 27596061 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 220768472 is about 14858.2795773939. The cubic root of 220768472 is about 604.3831538179.

The spelling of 220768472 in words is "two hundred twenty million, seven hundred sixty-eight thousand, four hundred seventy-two".