220654012 has 6 divisors (see below), whose sum is σ = 386144528. Its totient is φ = 110327004.

The previous prime is 220653997. The next prime is 220654037. The reversal of 220654012 is 210456022.

It is a super-2 number, since 2×220654012² = 97376386023392288, which contains 22 as substring.

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, 27581748 + ... + 27581755.

Almost surely, 2^220654012 is an apocalyptic number.

It is an amenable number.

220654012 is a deficient number, since it is larger than the sum of its proper divisors (165490516).

220654012 is a wasteful number, since it uses less digits than its factorization.

220654012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55163507 (or 55163505 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220654012 is about 14854.4273534862. The cubic root of 220654012 is about 604.2786859201.

The spelling of 220654012 in words is "two hundred twenty million, six hundred fifty-four thousand, twelve".