20092957 has 2 divisors, whose sum is σ = 20092958. Its totient is φ = 20092956.

The previous prime is 20092927. The next prime is 20092979. The reversal of 20092957 is 75929002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19766916 + 326041 = 4446^2 + 571^2 .

It is a cyclic number.

It is not a de Polignac number, because 20092957 - 2¹¹ = 20090909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20092927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046478 + 10046479.

It is an arithmetic number, because the mean of its divisors is an integer number (10046479).

Almost surely, 2^20092957 is an apocalyptic number.

It is an amenable number.

20092957 is a deficient number, since it is larger than the sum of its proper divisors (1).

20092957 is an equidigital number, since it uses as much as digits as its factorization.

20092957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 20092957 is about 4482.5168153617. The cubic root of 20092957 is about 271.8616519980.

The spelling of 20092957 in words is "twenty million, ninety-two thousand, nine hundred fifty-seven".