20252094756385 has 4 divisors (see below), whose sum is σ = 24302513707668. Its totient is φ = 16201675805104.

The previous prime is 20252094756371. The next prime is 20252094756419. The reversal of 20252094756385 is 58365749025202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6968169193441 + 13283925562944 = 2639729^2 + 3644712^2 .

It is a cyclic number.

It is not a de Polignac number, because 20252094756385 - 2¹⁵ = 20252094723617 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2025209475634 + ... + 2025209475643.

It is an arithmetic number, because the mean of its divisors is an integer number (6075628426917).

Almost surely, 2^{20252094756385} is an apocalyptic number.

It is an amenable number.

20252094756385 is a deficient number, since it is larger than the sum of its proper divisors (4050418951283).

20252094756385 is an equidigital number, since it uses as much as digits as its factorization.

20252094756385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050418951282.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 20252094756385 in words is "twenty trillion, two hundred fifty-two billion, ninety-four million, seven hundred fifty-six thousand, three hundred eighty-five".