123003202020 has 48 divisors (see below), whose sum is σ = 344441704320. Its totient is φ = 32797735936.

The previous prime is 123003202019. The next prime is 123003202031. The reversal of 123003202020 is 20202300321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577684 + ... + 761396.

It is an arithmetic number, because the mean of its divisors is an integer number (7175868840).

Almost surely, 2^123003202020 is an apocalyptic number.

123003202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123003202020 is an abundant number, since it is smaller than the sum of its proper divisors (221438502300).

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

123003202020 is a wasteful number, since it uses less digits than its factorization.

123003202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194884 (or 194882 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 123003202020 its reverse (20202300321), we get a palindrome (143205502341).

The spelling of 123003202020 in words is "one hundred twenty-three billion, three million, two hundred two thousand, twenty".