32111132112020 has 96 divisors (see below), whose sum is σ = 74706163703808. Its totient is φ = 11516967286272.

The previous prime is 32111132112001. The next prime is 32111132112023. The reversal of 32111132112020 is 2021123111123.

It is a super-2 number, since 2×32111132112020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32111132111983 and 32111132112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32111132112023) 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, 3089789 + ... + 8588891.

It is an arithmetic number, because the mean of its divisors is an integer number (778189205248).

Almost surely, 2^{32111132112020} 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 32111132112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37353081851904).

32111132112020 is an abundant number, since it is smaller than the sum of its proper divisors (42595031591788).

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

32111132112020 is a wasteful number, since it uses less digits than its factorization.

32111132112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499769 (or 5499767 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 32111132112020 its reverse (2021123111123), we get a palindrome (34132255223143).

The spelling of 32111132112020 in words is "thirty-two trillion, one hundred eleven billion, one hundred thirty-two million, one hundred twelve thousand, twenty".