20103133110 has 32 divisors (see below), whose sum is σ = 48362152032. Its totient is φ = 5348098560.

The previous prime is 20103133087. The next prime is 20103133133. The reversal of 20103133110 is 1133130102.

It is an interprime number because it is at equal distance from previous prime (20103133087) and next prime (20103133133).

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 20103133110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 783219 + ... + 808478.

It is an arithmetic number, because the mean of its divisors is an integer number (1511317251).

Almost surely, 2^20103133110 is an apocalyptic number.

20103133110 is an abundant number, since it is smaller than the sum of its proper divisors (28259018922).

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

20103133110 is a wasteful number, since it uses less digits than its factorization.

20103133110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592128.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20103133110 its reverse (1133130102), we get a palindrome (21236263212).

The spelling of 20103133110 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, one hundred ten".