20323222013220 has 96 divisors (see below), whose sum is σ = 65147022329088. Its totient is φ = 4637257039872.

The previous prime is 20323222013197. The next prime is 20323222013251. The reversal of 20323222013220 is 2231022232302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41688877 + ... + 42173556.

It is an arithmetic number, because the mean of its divisors is an integer number (678614815928).

Almost surely, 2^{20323222013220} is an apocalyptic number.

20323222013220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323222013220 is an abundant number, since it is smaller than the sum of its proper divisors (44823800315868).

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

20323222013220 is a wasteful number, since it uses less digits than its factorization.

20323222013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83863029 (or 83863027 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20323222013220 its reverse (2231022232302), we get a palindrome (22554244245522).

The spelling of 20323222013220 in words is "twenty trillion, three hundred twenty-three billion, two hundred twenty-two million, thirteen thousand, two hundred twenty".