20203103200 has 72 divisors (see below), whose sum is σ = 56366673552. Its totient is φ = 6926776320.

The previous prime is 20203103197. The next prime is 20203103213. The reversal of 20203103200 is 230130202.

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, 1798249 + ... + 1809448.

It is an arithmetic number, because the mean of its divisors is an integer number (782870466).

Almost surely, 2^20203103200 is an apocalyptic number.

20203103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203103200 is an abundant number, since it is smaller than the sum of its proper divisors (36163570352).

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

20203103200 is a wasteful number, since it uses less digits than its factorization.

20203103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607724 (or 3607711 counting only the distinct ones).

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

Adding to 20203103200 its reverse (230130202), we get a palindrome (20433233402).

The spelling of 20203103200 in words is "twenty billion, two hundred three million, one hundred three thousand, two hundred".