220245992 has 8 divisors (see below), whose sum is σ = 412961250. Its totient is φ = 110122992.

The previous prime is 220245983. The next prime is 220246001. The reversal of 220245992 is 299542022.

It is a happy number.

220245992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220245983) and next prime (220246001).

It can be written as a sum of positive squares in only one way, i.e., 210424036 + 9821956 = 14506^2 + 3134^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13765367 + ... + 13765382.

Almost surely, 2^220245992 is an apocalyptic number.

It is an amenable number.

220245992 is a deficient number, since it is larger than the sum of its proper divisors (192715258).

220245992 is a wasteful number, since it uses less digits than its factorization.

220245992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27530755 (or 27530751 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 220245992 is about 14840.6870460906. The cubic root of 220245992 is about 603.9059909534.

The spelling of 220245992 in words is "two hundred twenty million, two hundred forty-five thousand, nine hundred ninety-two".