220220101031 has 16 divisors (see below), whose sum is σ = 252293529600. Its totient is φ = 188300306688.

The previous prime is 220220101009. The next prime is 220220101039. The reversal of 220220101031 is 130101022022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220220101031 - 2⁶ = 220220100967 is a prime.

It is a super-2 number, since 2×220220101031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220220100997 and 220220101015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220101039) 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, 11252951 + ... + 11272503.

It is an arithmetic number, because the mean of its divisors is an integer number (15768345600).

Almost surely, 2^220220101031 is an apocalyptic number.

220220101031 is a deficient number, since it is larger than the sum of its proper divisors (32073428569).

220220101031 is a wasteful number, since it uses less digits than its factorization.

220220101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23398.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 220220101031 its reverse (130101022022), we get a palindrome (350321123053).

The spelling of 220220101031 in words is "two hundred twenty billion, two hundred twenty million, one hundred one thousand, thirty-one".