220131001023 has 8 divisors (see below), whose sum is σ = 302976001536. Its totient is φ = 142020000600.

The previous prime is 220131001009. The next prime is 220131001073. The reversal of 220131001023 is 320100131022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220131001023 - 2⁴ = 220131001007 is a prime.

It is a super-2 number, since 2×220131001023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220131000993 and 220131001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220131001003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183499913 + ... + 1183500098.

It is an arithmetic number, because the mean of its divisors is an integer number (37872000192).

Almost surely, 2^220131001023 is an apocalyptic number.

220131001023 is a deficient number, since it is larger than the sum of its proper divisors (82845000513).

220131001023 is a wasteful number, since it uses less digits than its factorization.

220131001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367000045.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220131001023 its reverse (320100131022), we get a palindrome (540231132045).

The spelling of 220131001023 in words is "two hundred twenty billion, one hundred thirty-one million, one thousand, twenty-three".