21023202300120 has 96 divisors (see below), whose sum is σ = 70172040154320. Its totient is φ = 5454668701440.

The previous prime is 21023202300119. The next prime is 21023202300143. The reversal of 21023202300120 is 2100320232012.

21023202300120 is a `hidden beast` number, since 2 + 10 + 232 + 0 + 2 + 300 + 120 = 666.

It is a super-3 number, since 3×21023202300120³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21023202300093 and 21023202300102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789145926 + ... + 789172565.

Almost surely, 2^{21023202300120} is an apocalyptic number.

21023202300120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21023202300120 is an abundant number, since it is smaller than the sum of its proper divisors (49148837854200).

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

21023202300120 is a wasteful number, since it uses less digits than its factorization.

21023202300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578318545 (or 1578318538 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21023202300120 its reverse (2100320232012), we get a palindrome (23123522532132).

The spelling of 21023202300120 in words is "twenty-one trillion, twenty-three billion, two hundred two million, three hundred thousand, one hundred twenty".