20245288254131 has 2 divisors, whose sum is σ = 20245288254132. Its totient is φ = 20245288254130.

The previous prime is 20245288254073. The next prime is 20245288254211. The reversal of 20245288254131 is 13145288254202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20245288254131 is a prime.

It is a super-2 number, since 2×20245288254131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20245288254731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122644127065 + 10122644127066.

It is an arithmetic number, because the mean of its divisors is an integer number (10122644127066).

Almost surely, 2^{20245288254131} is an apocalyptic number.

20245288254131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20245288254131 is an equidigital number, since it uses as much as digits as its factorization.

20245288254131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1228800, while the sum is 47.

The spelling of 20245288254131 in words is "twenty trillion, two hundred forty-five billion, two hundred eighty-eight million, two hundred fifty-four thousand, one hundred thirty-one".