20250243251027 has 4 divisors (see below), whose sum is σ = 20362123048176. Its totient is φ = 20138363453880.

The previous prime is 20250243251009. The next prime is 20250243251093. The reversal of 20250243251027 is 72015234205202.

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

It is a cyclic number.

It is not a de Polignac number, because 20250243251027 - 2³⁸ = 19975365344083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20250243251627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55939898303 + ... + 55939898664.

It is an arithmetic number, because the mean of its divisors is an integer number (5090530762044).

Almost surely, 2^{20250243251027} is an apocalyptic number.

20250243251027 is a deficient number, since it is larger than the sum of its proper divisors (111879797149).

20250243251027 is a wasteful number, since it uses less digits than its factorization.

20250243251027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111879797148.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 20250243251027 its reverse (72015234205202), we get a palindrome (92265477456229).

The spelling of 20250243251027 in words is "twenty trillion, two hundred fifty billion, two hundred forty-three million, two hundred fifty-one thousand, twenty-seven".