20170079 has 8 divisors (see below), whose sum is σ = 20496000. Its totient is φ = 19846296.

The previous prime is 20170063. The next prime is 20170081. The reversal of 20170079 is 97007102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20170079 - 2⁴ = 20170063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20170009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40172 + ... + 40670.

It is an arithmetic number, because the mean of its divisors is an integer number (2562000).

Almost surely, 2^20170079 is an apocalyptic number.

20170079 is a deficient number, since it is larger than the sum of its proper divisors (325921).

20170079 is an equidigital number, since it uses as much as digits as its factorization.

20170079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 20170079 is about 4491.1111097367. Note that the first 4 decimals coincide. The cubic root of 20170079 is about 272.2090331957.

The spelling of 20170079 in words is "twenty million, one hundred seventy thousand, seventy-nine".