20102265023 has 2 divisors, whose sum is σ = 20102265024. Its totient is φ = 20102265022.

The previous prime is 20102264999. The next prime is 20102265047. The reversal of 20102265023 is 32056220102.

It is a balanced prime because it is at equal distance from previous prime (20102264999) and next prime (20102265047).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102265023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102265023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102265223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051132511 + 10051132512.

It is an arithmetic number, because the mean of its divisors is an integer number (10051132512).

Almost surely, 2^20102265023 is an apocalyptic number.

20102265023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102265023 is an equidigital number, since it uses as much as digits as its factorization.

20102265023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 20102265023 its reverse (32056220102), we get a palindrome (52158485125).

The spelling of 20102265023 in words is "twenty billion, one hundred two million, two hundred sixty-five thousand, twenty-three".