20103133200 has 120 divisors (see below), whose sum is σ = 65612282688. Its totient is φ = 5259671040.

The previous prime is 20103133159. The next prime is 20103133207. The reversal of 20103133200 is 233130102.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20103133200.

It is not an unprimeable number, because it can be changed into a prime (20103133207) 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, 94444 + ... + 221643.

Almost surely, 2^20103133200 is an apocalyptic number.

20103133200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103133200 is an abundant number, since it is smaller than the sum of its proper divisors (45509149488).

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

20103133200 is a wasteful number, since it uses less digits than its factorization.

20103133200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316161 (or 316150 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20103133200 its reverse (233130102), we get a palindrome (20336263302).

The spelling of 20103133200 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, two hundred".