32220022020 has 96 divisors (see below), whose sum is σ = 91624512000. Its totient is φ = 8458504704.

The previous prime is 32220021961. The next prime is 32220022033. The reversal of 32220022020 is 2022002223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1644522 + ... + 1663998.

It is an arithmetic number, because the mean of its divisors is an integer number (954422000).

Almost surely, 2^32220022020 is an apocalyptic number.

32220022020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32220022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45812256000).

32220022020 is an abundant number, since it is smaller than the sum of its proper divisors (59404489980).

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

32220022020 is a wasteful number, since it uses less digits than its factorization.

32220022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917 (or 19915 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 32220022020 its reverse (2022002223), we get a palindrome (34242024243).

The spelling of 32220022020 in words is "thirty-two billion, two hundred twenty million, twenty-two thousand, twenty".