20313122033220 has 24 divisors (see below), whose sum is σ = 56876741693184. Its totient is φ = 5416832542176.

The previous prime is 20313122033189. The next prime is 20313122033233. The reversal of 20313122033220 is 2233022131302.

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 7 ways as a sum of consecutive naturals, for example, 169276016884 + ... + 169276017003.

It is an arithmetic number, because the mean of its divisors is an integer number (2369864237216).

Almost surely, 2^{20313122033220} is an apocalyptic number.

20313122033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313122033220 is an abundant number, since it is smaller than the sum of its proper divisors (36563619659964).

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

20313122033220 is a wasteful number, since it uses less digits than its factorization.

20313122033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338552033899 (or 338552033897 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20313122033220 its reverse (2233022131302), we get a palindrome (22546144164522).

The spelling of 20313122033220 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-two million, thirty-three thousand, two hundred twenty".