220708479 has 8 divisors (see below), whose sum is σ = 294739632. Its totient is φ = 146908160.

The previous prime is 220708469. The next prime is 220708487. The reversal of 220708479 is 974807022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220708479 - 2⁸ = 220708223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220708409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55464 + ... + 59309.

It is an arithmetic number, because the mean of its divisors is an integer number (36842454).

Almost surely, 2^220708479 is an apocalyptic number.

220708479 is a deficient number, since it is larger than the sum of its proper divisors (74031153).

220708479 is a wasteful number, since it uses less digits than its factorization.

220708479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115417.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 220708479 is about 14856.2605994914. The cubic root of 220708479 is about 604.3284025770.

The spelling of 220708479 in words is "two hundred twenty million, seven hundred eight thousand, four hundred seventy-nine".