20062979 has 2 divisors, whose sum is σ = 20062980. Its totient is φ = 20062978.

The previous prime is 20062957. The next prime is 20062997. The reversal of 20062979 is 97926002.

Together with next prime (20062997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20062979 - 2⁸ = 20062723 is a prime.

It is not a weakly prime, because it can be changed into another prime (20062379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10031489 + 10031490.

It is an arithmetic number, because the mean of its divisors is an integer number (10031490).

Almost surely, 2^20062979 is an apocalyptic number.

20062979 is a deficient number, since it is larger than the sum of its proper divisors (1).

20062979 is an equidigital number, since it uses as much as digits as its factorization.

20062979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 20062979 is about 4479.1716868189. The cubic root of 20062979 is about 271.7263819616.

The spelling of 20062979 in words is "twenty million, sixty-two thousand, nine hundred seventy-nine".