20313332200100 has 36 divisors (see below), whose sum is σ = 44187705855300. Its totient is φ = 8105466524160.

The previous prime is 20313332200037. The next prime is 20313332200141. The reversal of 20313332200100 is 100223331302.

It can be written as a sum of positive squares in 6 ways, for example, as 1353159868516 + 18960172331584 = 1163254^2 + 4354328^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248288345 + ... + 248370144.

Almost surely, 2^{20313332200100} is an apocalyptic number.

20313332200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313332200100 is an abundant number, since it is smaller than the sum of its proper divisors (23874373655200).

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

20313332200100 is a wasteful number, since it uses less digits than its factorization.

20313332200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496658912 (or 496658905 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20313332200100 its reverse (100223331302), we get a palindrome (20413555531402).

The spelling of 20313332200100 in words is "twenty trillion, three hundred thirteen billion, three hundred thirty-two million, two hundred thousand, one hundred".