20313103441220 has 24 divisors (see below), whose sum is σ = 42662115817944. Its totient is φ = 8124365454336.

The previous prime is 20313103441187. The next prime is 20313103441271. The reversal of 20313103441220 is 2214430131302.

It can be written as a sum of positive squares in 4 ways, for example, as 1683106643716 + 18629996797504 = 1297346^2 + 4316248^2 .

It is a super-3 number, since 3×20313103441220³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20313103441220.

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, 54554957 + ... + 54926036.

It is an arithmetic number, because the mean of its divisors is an integer number (1777588159081).

Almost surely, 2^{20313103441220} is an apocalyptic number.

20313103441220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313103441220 is an abundant number, since it is smaller than the sum of its proper divisors (22349012376724).

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

20313103441220 is a wasteful number, since it uses less digits than its factorization.

20313103441220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109490279 (or 109490277 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20313103441220 its reverse (2214430131302), we get a palindrome (22527533572522).

The spelling of 20313103441220 in words is "twenty trillion, three hundred thirteen billion, one hundred three million, four hundred forty-one thousand, two hundred twenty".