220654245 has 32 divisors (see below), whose sum is σ = 406683648. Its totient is φ = 100070208.

The previous prime is 220654219. The next prime is 220654267. The reversal of 220654245 is 542456022.

It is a happy number.

It is not a de Polignac number, because 220654245 - 2⁸ = 220653989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5062 + ... + 21608.

It is an arithmetic number, because the mean of its divisors is an integer number (12708864).

Almost surely, 2^220654245 is an apocalyptic number.

It is an amenable number.

220654245 is a deficient number, since it is larger than the sum of its proper divisors (186029403).

220654245 is a wasteful number, since it uses less digits than its factorization.

220654245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 220654245 is about 14854.4351962638. The cubic root of 220654245 is about 604.2788986164.

The spelling of 220654245 in words is "two hundred twenty million, six hundred fifty-four thousand, two hundred forty-five".