20500103051 has 2 divisors, whose sum is σ = 20500103052. Its totient is φ = 20500103050.

The previous prime is 20500103047. The next prime is 20500103053. The reversal of 20500103051 is 15030100502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20500103051 - 2² = 20500103047 is a prime.

Together with 20500103053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20500103053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10250051525 + 10250051526.

It is an arithmetic number, because the mean of its divisors is an integer number (10250051526).

Almost surely, 2^20500103051 is an apocalyptic number.

20500103051 is a deficient number, since it is larger than the sum of its proper divisors (1).

20500103051 is an equidigital number, since it uses as much as digits as its factorization.

20500103051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

Adding to 20500103051 its reverse (15030100502), we get a palindrome (35530203553).

The spelling of 20500103051 in words is "twenty billion, five hundred million, one hundred three thousand, fifty-one".