20011232300 has 72 divisors (see below), whose sum is σ = 44668807680. Its totient is φ = 7777569600.

The previous prime is 20011232249. The next prime is 20011232357. The reversal of 20011232300 is 323211002.

It is a happy 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, 637985 + ... + 668615.

Almost surely, 2^20011232300 is an apocalyptic number.

20011232300 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 20011232300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22334403840).

20011232300 is an abundant number, since it is smaller than the sum of its proper divisors (24657575380).

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

20011232300 is a wasteful number, since it uses less digits than its factorization.

20011232300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30831 (or 30824 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20011232300 its reverse (323211002), we get a palindrome (20334443302).

The spelling of 20011232300 in words is "twenty billion, eleven million, two hundred thirty-two thousand, three hundred".