220345051 has 4 divisors (see below), whose sum is σ = 220415104. Its totient is φ = 220275000.

The previous prime is 220345031. The next prime is 220345057. The reversal of 220345051 is 150543022.

220345051 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.

It is a cyclic number.

It is not a de Polignac number, because 220345051 - 2⁵ = 220345019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220345057) 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, 30075 + ... + 36676.

It is an arithmetic number, because the mean of its divisors is an integer number (55103776).

Almost surely, 2^220345051 is an apocalyptic number.

220345051 is a deficient number, since it is larger than the sum of its proper divisors (70053).

220345051 is an equidigital number, since it uses as much as digits as its factorization.

220345051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70052.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 220345051 is about 14844.0240837854. The cubic root of 220345051 is about 603.9965160318.

Adding to 220345051 its reverse (150543022), we get a palindrome (370888073).

The spelling of 220345051 in words is "two hundred twenty million, three hundred forty-five thousand, fifty-one".