32122220020 has 96 divisors (see below), whose sum is σ = 74839564800. Its totient is φ = 11483596800.

The previous prime is 32122219949. The next prime is 32122220027. The reversal of 32122220020 is 2002222123.

It is a junction number, because it is equal to n+sod(n) for n = 32122219976 and 32122220003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32122220027) 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, 4184746 + ... + 4192414.

It is an arithmetic number, because the mean of its divisors is an integer number (779578800).

Almost surely, 2^32122220020 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 32122220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37419782400).

32122220020 is an abundant number, since it is smaller than the sum of its proper divisors (42717344780).

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

32122220020 is a wasteful number, since it uses less digits than its factorization.

32122220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8009 (or 8007 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 32122220020 its reverse (2002222123), we get a palindrome (34124442143).

The spelling of 32122220020 in words is "thirty-two billion, one hundred twenty-two million, two hundred twenty thousand, twenty".