22132001320 has 64 divisors (see below), whose sum is σ = 58502787840. Its totient is φ = 7428921600.

The previous prime is 22132001279. The next prime is 22132001341. The reversal of 22132001320 is 2310023122.

It is a junction number, because it is equal to n+sod(n) for n = 22132001294 and 22132001303.

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, 1928896 + ... + 1940335.

It is an arithmetic number, because the mean of its divisors is an integer number (914106060).

Almost surely, 2^22132001320 is an apocalyptic number.

22132001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22132001320 is an abundant number, since it is smaller than the sum of its proper divisors (36370786520).

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

22132001320 is a wasteful number, since it uses less digits than its factorization.

22132001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869266 (or 3869262 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22132001320 its reverse (2310023122), we get a palindrome (24442024442).

The spelling of 22132001320 in words is "twenty-two billion, one hundred thirty-two million, one thousand, three hundred twenty".