20250667057 has 2 divisors, whose sum is σ = 20250667058. Its totient is φ = 20250667056.

The previous prime is 20250667007. The next prime is 20250667061. The reversal of 20250667057 is 75076605202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16904160256 + 3346506801 = 130016^2 + 57849^2 .

It is a cyclic number.

It is not a de Polignac number, because 20250667057 - 2⁷ = 20250666929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20250667007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10125333528 + 10125333529.

It is an arithmetic number, because the mean of its divisors is an integer number (10125333529).

Almost surely, 2^20250667057 is an apocalyptic number.

It is an amenable number.

20250667057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20250667057 is an equidigital number, since it uses as much as digits as its factorization.

20250667057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 20250667057 in words is "twenty billion, two hundred fifty million, six hundred sixty-seven thousand, fifty-seven".