20065207 has 2 divisors, whose sum is σ = 20065208. Its totient is φ = 20065206.

The previous prime is 20065189. The next prime is 20065229. The reversal of 20065207 is 70256002.

It is an a-pointer prime, because the next prime (20065229) can be obtained adding 20065207 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20065207 - 2⁷ = 20065079 is a prime.

It is a super-2 number, since 2×20065207² = 805225063905698, which contains 22 as substring.

It is equal to p_1274503 and since 20065207 and 1274503 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20065237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032603 + 10032604.

It is an arithmetic number, because the mean of its divisors is an integer number (10032604).

Almost surely, 2^20065207 is an apocalyptic number.

20065207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20065207 is an equidigital number, since it uses as much as digits as its factorization.

20065207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20065207 is about 4479.4203866125. The cubic root of 20065207 is about 271.7364400222.

The spelling of 20065207 in words is "twenty million, sixty-five thousand, two hundred seven".