20079835 has 8 divisors (see below), whose sum is σ = 24119856. Its totient is φ = 16047840.

The previous prime is 20079821. The next prime is 20079841. The reversal of 20079835 is 53897002.

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

It is not a de Polignac number, because 20079835 - 2¹³ = 20071643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20079835.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8980 + ... + 10990.

It is an arithmetic number, because the mean of its divisors is an integer number (3014982).

Almost surely, 2^20079835 is an apocalyptic number.

20079835 is a deficient number, since it is larger than the sum of its proper divisors (4040021).

20079835 is a wasteful number, since it uses less digits than its factorization.

20079835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 20079835 is about 4481.0528896678. The cubic root of 20079835 is about 271.8024580318.

The spelling of 20079835 in words is "twenty million, seventy-nine thousand, eight hundred thirty-five".