21302332020120 has 128 divisors (see below), whose sum is σ = 67425884467200. Its totient is φ = 5369212790784.

The previous prime is 21302332020107. The next prime is 21302332020121. The reversal of 21302332020120 is 2102023320312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302332020121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9801592 + ... + 11776071.

It is an arithmetic number, because the mean of its divisors is an integer number (526764722400).

Almost surely, 2^{21302332020120} is an apocalyptic number.

21302332020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302332020120 is an abundant number, since it is smaller than the sum of its proper divisors (46123552447080).

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

21302332020120 is a wasteful number, since it uses less digits than its factorization.

21302332020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21578129 (or 21578125 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21302332020120 its reverse (2102023320312), we get a palindrome (23404355340432).

The spelling of 21302332020120 in words is "twenty-one trillion, three hundred two billion, three hundred thirty-two million, twenty thousand, one hundred twenty".