20202231103 has 2 divisors, whose sum is σ = 20202231104. Its totient is φ = 20202231102.

The previous prime is 20202231097. The next prime is 20202231167. The reversal of 20202231103 is 30113220202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202231103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20202234103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101115551 + 10101115552.

It is an arithmetic number, because the mean of its divisors is an integer number (10101115552).

Almost surely, 2^20202231103 is an apocalyptic number.

20202231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20202231103 is an equidigital number, since it uses as much as digits as its factorization.

20202231103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20202231103 its reverse (30113220202), we get a palindrome (50315451305).

The spelling of 20202231103 in words is "twenty billion, two hundred two million, two hundred thirty-one thousand, one hundred three".