20012320300 has 54 divisors (see below), whose sum is σ = 50516826612. Its totient is φ = 6861365280.

The previous prime is 20012320291. The next prime is 20012320313. The reversal of 20012320300 is 302321002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2037174 + ... + 2046973.

Almost surely, 2^20012320300 is an apocalyptic number.

20012320300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012320300 is an abundant number, since it is smaller than the sum of its proper divisors (30504506312).

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

20012320300 is a wasteful number, since it uses less digits than its factorization.

20012320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4084175 (or 4084161 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20012320300 its reverse (302321002), we get a palindrome (20314641302).

The spelling of 20012320300 in words is "twenty billion, twelve million, three hundred twenty thousand, three hundred".