32121010233020 has 96 divisors (see below), whose sum is σ = 69794790912000. Its totient is φ = 12404550182400.

The previous prime is 32121010233019. The next prime is 32121010233253. The reversal of 32121010233020 is 2033201012123.

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 = 32121010232983 and 32121010233001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599346425 + ... + 599400015.

It is an arithmetic number, because the mean of its divisors is an integer number (727029072000).

Almost surely, 2^{32121010233020} 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 32121010233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34897395456000).

32121010233020 is an abundant number, since it is smaller than the sum of its proper divisors (37673780678980).

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

32121010233020 is a wasteful number, since it uses less digits than its factorization.

32121010233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55899 (or 55897 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32121010233020 its reverse (2033201012123), we get a palindrome (34154211245143).

The spelling of 32121010233020 in words is "thirty-two trillion, one hundred twenty-one billion, ten million, two hundred thirty-three thousand, twenty".