20211100000032 has 192 divisors, whose sum is σ = 57379938706944. Its totient is φ = 6204772515840.

The previous prime is 20211100000031. The next prime is 20211100000057. The reversal of 20211100000032 is 23000000111202.

It is a super-2 number, since 2×20211100000032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20211099999963 and 20211100000017.

It is not an unprimeable number, because it can be changed into a prime (20211100000031) 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, 533917618 + ... + 533955470.

It is an arithmetic number, because the mean of its divisors is an integer number (298853847432).

Almost surely, 2^{20211100000032} 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 20211100000032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28689969353472).

20211100000032 is an abundant number, since it is smaller than the sum of its proper divisors (37168838706912).

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

20211100000032 is a wasteful number, since it uses less digits than its factorization.

20211100000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44891 (or 44883 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20211100000032 its reverse (23000000111202), we get a palindrome (43211100111234).

The spelling of 20211100000032 in words is "twenty trillion, two hundred eleven billion, one hundred million, thirty-two", and thus it is an aban number.