20795707 has 2 divisors, whose sum is σ = 20795708. Its totient is φ = 20795706.

The previous prime is 20795681. The next prime is 20795717. The reversal of 20795707 is 70759702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20795707 - 2¹¹ = 20793659 is a prime.

It is a super-2 number, since 2×20795707² = 864922859259698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20795717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10397853 + 10397854.

It is an arithmetic number, because the mean of its divisors is an integer number (10397854).

Almost surely, 2^20795707 is an apocalyptic number.

20795707 is a deficient number, since it is larger than the sum of its proper divisors (1).

20795707 is an equidigital number, since it uses as much as digits as its factorization.

20795707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 20795707 is about 4560.2310248495. The cubic root of 20795707 is about 274.9948516943.

The spelling of 20795707 in words is "twenty million, seven hundred ninety-five thousand, seven hundred seven".