20013220300 has 72 divisors (see below), whose sum is σ = 43995465360. Its totient is φ = 7901491200.

The previous prime is 20013220229. The next prime is 20013220307. The reversal of 20013220300 is 302231002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20013220307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2448220 + ... + 2456380.

It is an arithmetic number, because the mean of its divisors is an integer number (611048130).

Almost surely, 2^20013220300 is an apocalyptic number.

20013220300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20013220300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21997732680).

20013220300 is an abundant number, since it is smaller than the sum of its proper divisors (23982245060).

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

20013220300 is a wasteful number, since it uses less digits than its factorization.

20013220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8491 (or 8484 counting only the distinct ones).

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

Adding to 20013220300 its reverse (302231002), we get a palindrome (20315451302).

The spelling of 20013220300 in words is "twenty billion, thirteen million, two hundred twenty thousand, three hundred".