220394612 has 6 divisors (see below), whose sum is σ = 385690578. Its totient is φ = 110197304.

The previous prime is 220394611. The next prime is 220394627. The reversal of 220394612 is 216493022.

220394612 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., 173554276 + 46840336 = 13174^2 + 6844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220394611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27549323 + ... + 27549330.

It is an arithmetic number, because the mean of its divisors is an integer number (64281763).

Almost surely, 2^220394612 is an apocalyptic number.

It is an amenable number.

220394612 is a deficient number, since it is larger than the sum of its proper divisors (165295966).

220394612 is a wasteful number, since it uses less digits than its factorization.

220394612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55098657 (or 55098655 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 220394612 is about 14845.6933822574. The cubic root of 220394612 is about 604.0417971748.

The spelling of 220394612 in words is "two hundred twenty million, three hundred ninety-four thousand, six hundred twelve".