20321301300 has 72 divisors (see below), whose sum is σ = 58813902336. Its totient is φ = 5417391360.

The previous prime is 20321301263. The next prime is 20321301331. The reversal of 20321301300 is 310312302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20321301300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257069 + ... + 1273131.

Almost surely, 2^20321301300 is an apocalyptic number.

20321301300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20321301300 is an abundant number, since it is smaller than the sum of its proper divisors (38492601036).

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

20321301300 is a wasteful number, since it uses less digits than its factorization.

20321301300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20297 (or 20290 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20321301300 its reverse (310312302), we get a palindrome (20631613602).

The spelling of 20321301300 in words is "twenty billion, three hundred twenty-one million, three hundred one thousand, three hundred".