21300132322032 has 80 divisors (see below), whose sum is σ = 55338940893600. Its totient is φ = 7059593318400.

The previous prime is 21300132321997. The next prime is 21300132322087. The reversal of 21300132322032 is 23022323100312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 21300132321993 and 21300132322011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50606532 + ... + 51025692.

It is an arithmetic number, because the mean of its divisors is an integer number (691736761170).

Almost surely, 2^{21300132322032} is an apocalyptic number.

It is an amenable number.

21300132322032 is an abundant number, since it is smaller than the sum of its proper divisors (34038808571568).

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

21300132322032 is a wasteful number, since it uses less digits than its factorization.

21300132322032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425202 (or 425196 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21300132322032 its reverse (23022323100312), we get a palindrome (44322455422344).

The spelling of 21300132322032 in words is "twenty-one trillion, three hundred billion, one hundred thirty-two million, three hundred twenty-two thousand, thirty-two".