20252143999999 has 2 divisors, whose sum is σ = 20252144000000. Its totient is φ = 20252143999998.

The previous prime is 20252143999963. The next prime is 20252144000009. The reversal of 20252143999999 is 99999934125202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20252143999999 - 2¹¹ = 20252143997951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20252143999499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10126071999999 + 10126072000000.

It is an arithmetic number, because the mean of its divisors is an integer number (10126072000000).

Almost surely, 2^{20252143999999} is an apocalyptic number.

20252143999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20252143999999 is an equidigital number, since it uses as much as digits as its factorization.

20252143999999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 255091680, while the sum is 73.

The spelling of 20252143999999 in words is "twenty trillion, two hundred fifty-two billion, one hundred forty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".