20196222237472 has 96 divisors (see below), whose sum is σ = 40897264915584. Its totient is φ = 9810446284800.

The previous prime is 20196222237467. The next prime is 20196222237473. The reversal of 20196222237472 is 27473222269102.

It is not an unprimeable number, because it can be changed into a prime (20196222237473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3315745147 + ... + 3315751237.

It is an arithmetic number, because the mean of its divisors is an integer number (426013176204).

Almost surely, 2^{20196222237472} 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 20196222237472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20448632457792).

20196222237472 is an abundant number, since it is smaller than the sum of its proper divisors (20701042678112).

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

20196222237472 is a wasteful number, since it uses less digits than its factorization.

20196222237472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9882 (or 9874 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 20196222237472 in words is "twenty trillion, one hundred ninety-six billion, two hundred twenty-two million, two hundred thirty-seven thousand, four hundred seventy-two".