220492 has 12 divisors (see below), whose sum is σ = 389200. Its totient is φ = 109296.

The previous prime is 220471. The next prime is 220511. The reversal of 220492 is 294022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658 + ... + 934.

2²²⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

220492 is a deficient number, since it is larger than the sum of its proper divisors (168708).

220492 is a wasteful number, since it uses less digits than its factorization.

220492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 220492 is about 469.5657568435. The cubic root of 220492 is about 60.4130755429.

Adding to 220492 its product of nonzero digits (288), we get a triangular number (220780 = T₆₆₄).

The spelling of 220492 in words is "two hundred twenty thousand, four hundred ninety-two".