20010079 has 2 divisors, whose sum is σ = 20010080. Its totient is φ = 20010078.

The previous prime is 20010077. The next prime is 20010127. The reversal of 20010079 is 97001002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010079 - 2¹ = 20010077 is a prime.

Together with 20010077, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005039 + 10005040.

It is an arithmetic number, because the mean of its divisors is an integer number (10005040).

Almost surely, 2^20010079 is an apocalyptic number.

20010079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010079 is an equidigital number, since it uses as much as digits as its factorization.

20010079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 20010079 is about 4473.2626795215. The cubic root of 20010079 is about 271.4873516939.

The spelling of 20010079 in words is "twenty million, ten thousand, seventy-nine".