220646053 has 4 divisors (see below), whose sum is σ = 220940608. Its totient is φ = 220351500.

The previous prime is 220646047. The next prime is 220646099. The reversal of 220646053 is 350646022.

It is a happy number.

220646053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220646053 - 2⁵ = 220646021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220640053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146151 + ... + 147652.

It is an arithmetic number, because the mean of its divisors is an integer number (55235152).

Almost surely, 2^220646053 is an apocalyptic number.

It is an amenable number.

220646053 is a deficient number, since it is larger than the sum of its proper divisors (294555).

220646053 is an equidigital number, since it uses as much as digits as its factorization.

220646053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294554.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 220646053 is about 14854.1594511436. The cubic root of 220646053 is about 604.2714203797.

The spelling of 220646053 in words is "two hundred twenty million, six hundred forty-six thousand, fifty-three".