20221313013020 has 24 divisors (see below), whose sum is σ = 48531151231584. Its totient is φ = 6933021604416.

The previous prime is 20221313013007. The next prime is 20221313013089. The reversal of 20221313013020 is 2031031312202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20221313012983 and 20221313013001.

It is a congruent number.

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, 72218974907 + ... + 72218975186.

It is an arithmetic number, because the mean of its divisors is an integer number (2022131301316).

Almost surely, 2^{20221313013020} is an apocalyptic number.

20221313013020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221313013020 is an abundant number, since it is smaller than the sum of its proper divisors (28309838218564).

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

20221313013020 is a wasteful number, since it uses less digits than its factorization.

20221313013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144437950109 (or 144437950107 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20221313013020 its reverse (2031031312202), we get a palindrome (22252344325222).

The spelling of 20221313013020 in words is "twenty trillion, two hundred twenty-one billion, three hundred thirteen million, thirteen thousand, twenty".