32132122220 has 48 divisors (see below), whose sum is σ = 73638155808. Its totient is φ = 11680220160.

The previous prime is 32132122199. The next prime is 32132122247. The reversal of 32132122220 is 2222123123.

It is a happy number.

It is a super-2 number, since 2×32132122220² (a number of 22 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 = 32132122192 and 32132122201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625844 + ... + 675236.

It is an arithmetic number, because the mean of its divisors is an integer number (1534128246).

Almost surely, 2^32132122220 is an apocalyptic number.

It is an amenable number.

32132122220 is an abundant number, since it is smaller than the sum of its proper divisors (41506033588).

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

32132122220 is a wasteful number, since it uses less digits than its factorization.

32132122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52370 (or 52368 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 32132122220 its reverse (2222123123), we get a palindrome (34354245343).

The spelling of 32132122220 in words is "thirty-two billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred twenty".