220623411 has 16 divisors (see below), whose sum is σ = 301495040. Its totient is φ = 143428320.

The previous prime is 220623391. The next prime is 220623413. The reversal of 220623411 is 114326022.

220623411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220623411 - 2⁷ = 220623283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220623413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117621 + ... + 119481.

It is an arithmetic number, because the mean of its divisors is an integer number (18843440).

Almost surely, 2^220623411 is an apocalyptic number.

220623411 is a deficient number, since it is larger than the sum of its proper divisors (80871629).

220623411 is a wasteful number, since it uses less digits than its factorization.

220623411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 220623411 is about 14853.3972881627. The cubic root of 220623411 is about 604.2507501988.

Adding to 220623411 its reverse (114326022), we get a palindrome (334949433).

The spelling of 220623411 in words is "two hundred twenty million, six hundred twenty-three thousand, four hundred eleven".