1030113123220 has 24 divisors (see below), whose sum is σ = 2237831958600. Its totient is φ = 397836792192.

The previous prime is 1030113123203. The next prime is 1030113123223. The reversal of 1030113123220 is 223213110301.

It can be written as a sum of positive squares in 4 ways, for example, as 398208957444 + 631904165776 = 631038^2 + 794924^2 .

It is a super-2 number, since 2×1030113123220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030113123223) 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, 888027975 + ... + 888029134.

It is an arithmetic number, because the mean of its divisors is an integer number (93242998275).

Almost surely, 2^{1030113123220} is an apocalyptic number.

1030113123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030113123220 is an abundant number, since it is smaller than the sum of its proper divisors (1207718835380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1030113123220 is a wasteful number, since it uses less digits than its factorization.

1030113123220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776057147 (or 1776057145 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1030113123220 its reverse (223213110301), we get a palindrome (1253326233521).

The spelling of 1030113123220 in words is "one trillion, thirty billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty".