20082757 has 2 divisors, whose sum is σ = 20082758. Its totient is φ = 20082756.

The previous prime is 20082737. The next prime is 20082767. The reversal of 20082757 is 75728002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20061441 + 21316 = 4479^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 20082757 - 2¹⁵ = 20049989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20082737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041378 + 10041379.

It is an arithmetic number, because the mean of its divisors is an integer number (10041379).

Almost surely, 2^20082757 is an apocalyptic number.

It is an amenable number.

20082757 is a deficient number, since it is larger than the sum of its proper divisors (1).

20082757 is an equidigital number, since it uses as much as digits as its factorization.

20082757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 20082757 is about 4481.3789172530. The cubic root of 20082757 is about 271.8156415442.

The spelling of 20082757 in words is "twenty million, eighty-two thousand, seven hundred fifty-seven".