20031203200 has 96 divisors (see below), whose sum is σ = 49539876120. Its totient is φ = 8003328000.

The previous prime is 20031203149. The next prime is 20031203219. The reversal of 20031203200 is 230213002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3264135 + ... + 3270265.

Almost surely, 2^20031203200 is an apocalyptic number.

20031203200 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 20031203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24769938060).

20031203200 is an abundant number, since it is smaller than the sum of its proper divisors (29508672920).

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

20031203200 is a wasteful number, since it uses less digits than its factorization.

20031203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 7159 counting only the distinct ones).

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

Adding to 20031203200 its reverse (230213002), we get a palindrome (20261416202).

The spelling of 20031203200 in words is "twenty billion, thirty-one million, two hundred three thousand, two hundred".