220733770 has 8 divisors (see below), whose sum is σ = 397320804. Its totient is φ = 88293504.

The previous prime is 220733759. The next prime is 220733789. The reversal of 220733770 is 77337022.

It can be written as a sum of positive squares in 2 ways, for example, as 219543489 + 1190281 = 14817^2 + 1091^2 .

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

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, 11036679 + ... + 11036698.

Almost surely, 2^220733770 is an apocalyptic number.

220733770 is a deficient number, since it is larger than the sum of its proper divisors (176587034).

220733770 is a wasteful number, since it uses less digits than its factorization.

220733770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073384.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 220733770 is about 14857.1117650774. Note that the first 3 decimals coincide. The cubic root of 220733770 is about 604.3514850399.

The spelling of 220733770 in words is "two hundred twenty million, seven hundred thirty-three thousand, seven hundred seventy".