21020132113032 has 128 divisors (see below), whose sum is σ = 57122850960000. Its totient is φ = 6407369256960.

The previous prime is 21020132112943. The next prime is 21020132113051. The reversal of 21020132113032 is 23031123102012.

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 31 ways as a sum of consecutive naturals, for example, 17022432 + ... + 18215472.

It is an arithmetic number, because the mean of its divisors is an integer number (446272273125).

Almost surely, 2^{21020132113032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21020132113032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28561425480000).

21020132113032 is an abundant number, since it is smaller than the sum of its proper divisors (36102718846968).

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

21020132113032 is a wasteful number, since it uses less digits than its factorization.

21020132113032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193591 (or 1193587 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21020132113032 its reverse (23031123102012), we get a palindrome (44051255215044).

The spelling of 21020132113032 in words is "twenty-one trillion, twenty billion, one hundred thirty-two million, one hundred thirteen thousand, thirty-two".