20260452503021 has 2 divisors, whose sum is σ = 20260452503022. Its totient is φ = 20260452503020.

The previous prime is 20260452502987. The next prime is 20260452503063. The reversal of 20260452503021 is 12030525406202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18938067500521 + 1322385002500 = 4351789^2 + 1149950^2 .

It is a cyclic number.

It is not a de Polignac number, because 20260452503021 - 2²⁶ = 20260385394157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20260452503521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130226251510 + 10130226251511.

It is an arithmetic number, because the mean of its divisors is an integer number (10130226251511).

Almost surely, 2^{20260452503021} is an apocalyptic number.

It is an amenable number.

20260452503021 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260452503021 is an equidigital number, since it uses as much as digits as its factorization.

20260452503021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 20260452503021 its reverse (12030525406202), we get a palindrome (32290977909223).

The spelling of 20260452503021 in words is "twenty trillion, two hundred sixty billion, four hundred fifty-two million, five hundred three thousand, twenty-one".