123203210222020 has 48 divisors (see below), whose sum is σ = 267649853430960. Its totient is φ = 47581662765056.

The previous prime is 123203210221997. The next prime is 123203210222021. The reversal of 123203210222020 is 20222012302321.

It can be written as a sum of positive squares in 8 ways, for example, as 20419137712516 + 102784072509504 = 4518754^2 + 10138248^2 .

It is a super-2 number, since 2×123203210222020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123203210221982 and 123203210222000.

It is not an unprimeable number, because it can be changed into a prime (123203210222021) 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, 126251484 + ... + 127223596.

It is an arithmetic number, because the mean of its divisors is an integer number (5576038613145).

Almost surely, 2^{123203210222020} is an apocalyptic number.

123203210222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123203210222020 is an abundant number, since it is smaller than the sum of its proper divisors (144446643208940).

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

123203210222020 is a wasteful number, since it uses less digits than its factorization.

123203210222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190664 (or 1190662 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123203210222020 its reverse (20222012302321), we get a palindrome (143425222524341).

The spelling of 123203210222020 in words is "one hundred twenty-three trillion, two hundred three billion, two hundred ten million, two hundred twenty-two thousand, twenty".