22012321130220 has 48 divisors (see below), whose sum is σ = 64878420176640. Its totient is φ = 5561007443136.

The previous prime is 22012321130071. The next prime is 22012321130243. The reversal of 22012321130220 is 2203112321022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9654525672 + ... + 9654527951.

It is an arithmetic number, because the mean of its divisors is an integer number (1351633753680).

Almost surely, 2^{22012321130220} is an apocalyptic number.

22012321130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012321130220 is an abundant number, since it is smaller than the sum of its proper divisors (42866099046420).

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

22012321130220 is a wasteful number, since it uses less digits than its factorization.

22012321130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19309053654 (or 19309053652 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22012321130220 its reverse (2203112321022), we get a palindrome (24215433451242).

The spelling of 22012321130220 in words is "twenty-two trillion, twelve billion, three hundred twenty-one million, one hundred thirty thousand, two hundred twenty".