20027088251 has 2 divisors, whose sum is σ = 20027088252. Its totient is φ = 20027088250.

The previous prime is 20027088229. The next prime is 20027088269. The reversal of 20027088251 is 15288072002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20027088251 - 2²⁶ = 19959979387 is a prime.

It is not a weakly prime, because it can be changed into another prime (20027088271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013544125 + 10013544126.

It is an arithmetic number, because the mean of its divisors is an integer number (10013544126).

Almost surely, 2^20027088251 is an apocalyptic number.

20027088251 is a deficient number, since it is larger than the sum of its proper divisors (1).

20027088251 is an equidigital number, since it uses as much as digits as its factorization.

20027088251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 20027088251 in words is "twenty billion, twenty-seven million, eighty-eight thousand, two hundred fifty-one".