22132320220 has 24 divisors (see below), whose sum is σ = 47132493408. Its totient is φ = 8728238400.

The previous prime is 22132320211. The next prime is 22132320241. The reversal of 22132320220 is 2202323122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7791651 + ... + 7794490.

It is an arithmetic number, because the mean of its divisors is an integer number (1963853892).

Almost surely, 2^22132320220 is an apocalyptic number.

22132320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132320220 is an abundant number, since it is smaller than the sum of its proper divisors (25000173188).

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

22132320220 is a wasteful number, since it uses less digits than its factorization.

22132320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15586221 (or 15586219 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22132320220 its reverse (2202323122), we get a palindrome (24334643342).

The spelling of 22132320220 in words is "twenty-two billion, one hundred thirty-two million, three hundred twenty thousand, two hundred twenty".