220453768 has 8 divisors (see below), whose sum is σ = 413350830. Its totient is φ = 110226880.

The previous prime is 220453763. The next prime is 220453769. The reversal of 220453768 is 867354022.

220453768 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., 161747524 + 58706244 = 12718^2 + 7662^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (220453763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13778353 + ... + 13778368.

Almost surely, 2^220453768 is an apocalyptic number.

It is an amenable number.

220453768 is a deficient number, since it is larger than the sum of its proper divisors (192897062).

220453768 is a wasteful number, since it uses less digits than its factorization.

220453768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27556727 (or 27556723 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 220453768 is about 14847.6856108957. The cubic root of 220453768 is about 604.0958358522.

The spelling of 220453768 in words is "two hundred twenty million, four hundred fifty-three thousand, seven hundred sixty-eight".