20303200212320 has 48 divisors (see below), whose sum is σ = 47977191349920. Its totient is φ = 8119437825024.

The previous prime is 20303200212319. The next prime is 20303200212343. The reversal of 20303200212320 is 2321200230302.

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 = 20303200212292 and 20303200212301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13685012 + ... + 15095891.

It is an arithmetic number, because the mean of its divisors is an integer number (999524819790).

Almost surely, 2^{20303200212320} is an apocalyptic number.

20303200212320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303200212320 is an abundant number, since it is smaller than the sum of its proper divisors (27673991137600).

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

20303200212320 is a wasteful number, since it uses less digits than its factorization.

20303200212320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785327 (or 28785319 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20303200212320 its reverse (2321200230302), we get a palindrome (22624400442622).

The spelling of 20303200212320 in words is "twenty trillion, three hundred three billion, two hundred million, two hundred twelve thousand, three hundred twenty".