220040931106 has 16 divisors (see below), whose sum is σ = 341459710200. Its totient is φ = 106221403008.

The previous prime is 220040931091. The next prime is 220040931211. The reversal of 220040931106 is 601139040022.

It can be written as a sum of positive squares in 4 ways, for example, as 197318082025 + 22722849081 = 444205^2 + 150741^2 .

It is a super-2 number, since 2×220040931106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254790 + ... + 1419358.

Almost surely, 2^220040931106 is an apocalyptic number.

220040931106 is a deficient number, since it is larger than the sum of its proper divisors (121418779094).

220040931106 is a wasteful number, since it uses less digits than its factorization.

220040931106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187653.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 220040931106 its reverse (601139040022), we get a palindrome (821179971128).

The spelling of 220040931106 in words is "two hundred twenty billion, forty million, nine hundred thirty-one thousand, one hundred six".