20001132103 has 16 divisors (see below), whose sum is σ = 20707112160. Its totient is φ = 19308616704.

The previous prime is 20001132023. The next prime is 20001132113. The reversal of 20001132103 is 30123110002.

It is a cyclic number.

It is not a de Polignac number, because 20001132103 - 2²⁵ = 19967577671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001132113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1669308 + ... + 1681246.

It is an arithmetic number, because the mean of its divisors is an integer number (1294194510).

Almost surely, 2^20001132103 is an apocalyptic number.

20001132103 is a deficient number, since it is larger than the sum of its proper divisors (705980057).

20001132103 is a wasteful number, since it uses less digits than its factorization.

20001132103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12498.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20001132103 its reverse (30123110002), we get a palindrome (50124242105).

The spelling of 20001132103 in words is "twenty billion, one million, one hundred thirty-two thousand, one hundred three".