220423011 has 16 divisors (see below), whose sum is σ = 301916160. Its totient is φ = 142959680.

The previous prime is 220422991. The next prime is 220423013. The reversal of 220423011 is 110324022.

220423011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220423011 - 2¹⁸ = 220160867 is a prime.

It is a super-2 number, since 2×220423011² = 97172607556612242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220423013) 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, 44770 + ... + 49448.

It is an arithmetic number, because the mean of its divisors is an integer number (18869760).

Almost surely, 2^220423011 is an apocalyptic number.

220423011 is a deficient number, since it is larger than the sum of its proper divisors (81493149).

220423011 is a wasteful number, since it uses less digits than its factorization.

220423011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220423011 is about 14846.6498241186. The cubic root of 220423011 is about 604.0677407102.

Adding to 220423011 its reverse (110324022), we get a palindrome (330747033).

The spelling of 220423011 in words is "two hundred twenty million, four hundred twenty-three thousand, eleven".