220373857 has 8 divisors (see below), whose sum is σ = 240891840. Its totient is φ = 199936560.

The previous prime is 220373849. The next prime is 220373861. The reversal of 220373857 is 758373022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220373857 - 2³ = 220373849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220373807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14382 + ... + 25447.

It is an arithmetic number, because the mean of its divisors is an integer number (30111480).

Almost surely, 2^220373857 is an apocalyptic number.

It is an amenable number.

220373857 is a deficient number, since it is larger than the sum of its proper divisors (20517983).

220373857 is a wasteful number, since it uses less digits than its factorization.

220373857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40343.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 220373857 is about 14844.9943415281. The cubic root of 220373857 is about 604.0228353061.

The spelling of 220373857 in words is "two hundred twenty million, three hundred seventy-three thousand, eight hundred fifty-seven".