20012100300 has 72 divisors (see below), whose sum is σ = 64335205200. Its totient is φ = 5336559360.

The previous prime is 20012100293. The next prime is 20012100323. The reversal of 20012100300 is 300121002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 3703245 + ... + 3708644.

Almost surely, 2^20012100300 is an apocalyptic number.

20012100300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012100300 is an abundant number, since it is smaller than the sum of its proper divisors (44323104900).

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

20012100300 is a wasteful number, since it uses less digits than its factorization.

20012100300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411912 (or 7411899 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20012100300 its reverse (300121002), we get a palindrome (20312221302).

The spelling of 20012100300 in words is "twenty billion, twelve million, one hundred thousand, three hundred".