220386902 has 4 divisors (see below), whose sum is σ = 330580356. Its totient is φ = 110193450.

The previous prime is 220386883. The next prime is 220386917. The reversal of 220386902 is 209683022.

220386902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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, 55096724 + ... + 55096727.

It is an arithmetic number, because the mean of its divisors is an integer number (82645089).

Almost surely, 2^220386902 is an apocalyptic number.

220386902 is a deficient number, since it is larger than the sum of its proper divisors (110193454).

220386902 is a wasteful number, since it uses less digits than its factorization.

220386902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110193453.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 220386902 is about 14845.4337087200. The cubic root of 220386902 is about 604.0347534204.

The spelling of 220386902 in words is "two hundred twenty million, three hundred eighty-six thousand, nine hundred two".