20103252103 has 4 divisors (see below), whose sum is σ = 21930820488. Its totient is φ = 18275683720.

The previous prime is 20103252101. The next prime is 20103252121. The reversal of 20103252103 is 30125230102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20103252103 - 2¹ = 20103252101 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 (20103252101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 913784176 + ... + 913784197.

It is an arithmetic number, because the mean of its divisors is an integer number (5482705122).

Almost surely, 2^20103252103 is an apocalyptic number.

20103252103 is a deficient number, since it is larger than the sum of its proper divisors (1827568385).

20103252103 is a wasteful number, since it uses less digits than its factorization.

20103252103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827568384.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 20103252103 its reverse (30125230102), we get a palindrome (50228482205).

The spelling of 20103252103 in words is "twenty billion, one hundred three million, two hundred fifty-two thousand, one hundred three".