220131020102 has 12 divisors (see below), whose sum is σ = 384106167900. Its totient is φ = 94341865716.

The previous prime is 220131020093. The next prime is 220131020141. The reversal of 220131020102 is 201020131022.

It is a happy number.

It is a super-2 number, since 2×220131020102² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123117352 + ... + 1123117547.

It is an arithmetic number, because the mean of its divisors is an integer number (32008847325).

Almost surely, 2^220131020102 is an apocalyptic number.

220131020102 is a deficient number, since it is larger than the sum of its proper divisors (163975147798).

220131020102 is a wasteful number, since it uses less digits than its factorization.

220131020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246234915 (or 2246234908 counting only the distinct ones).

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

Adding to 220131020102 its reverse (201020131022), we get a palindrome (421151151124).

The spelling of 220131020102 in words is "two hundred twenty billion, one hundred thirty-one million, twenty thousand, one hundred two".