220900712 has 8 divisors (see below), whose sum is σ = 414188850. Its totient is φ = 110450352.

The previous prime is 220900711. The next prime is 220900739. The reversal of 220900712 is 217009022.

220900712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 190053796 + 30846916 = 13786^2 + 5554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (220900711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13806287 + ... + 13806302.

Almost surely, 2^220900712 is an apocalyptic number.

It is an amenable number.

220900712 is a deficient number, since it is larger than the sum of its proper divisors (193288138).

220900712 is a wasteful number, since it uses less digits than its factorization.

220900712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27612595 (or 27612591 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 220900712 is about 14862.7289553433. The cubic root of 220900712 is about 604.5038046138.

Adding to 220900712 its reverse (217009022), we get a palindrome (437909734).

The spelling of 220900712 in words is "two hundred twenty million, nine hundred thousand, seven hundred twelve".