123113302020220 has 24 divisors (see below), whose sum is σ = 258586909257600. Its totient is φ = 49235992233792.

The previous prime is 123113302020167. The next prime is 123113302020223. The reversal of 123113302020220 is 22020203311321.

It is a junction number, because it is equal to n+sod(n) for n = 123113302020191 and 123113302020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113302020223) 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, 582927675 + ... + 583138834.

It is an arithmetic number, because the mean of its divisors is an integer number (10774454552400).

Almost surely, 2^{123113302020220} is an apocalyptic number.

123113302020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123113302020220 is an abundant number, since it is smaller than the sum of its proper divisors (135473607237380).

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

123113302020220 is a wasteful number, since it uses less digits than its factorization.

123113302020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166071797 (or 1166071795 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123113302020220 its reverse (22020203311321), we get a palindrome (145133505331541).

The spelling of 123113302020220 in words is "one hundred twenty-three trillion, one hundred thirteen billion, three hundred two million, twenty thousand, two hundred twenty".