20079135 has 24 divisors (see below), whose sum is σ = 35655984. Its totient is φ = 10446720.

The previous prime is 20079127. The next prime is 20079139. The reversal of 20079135 is 53197002.

It is not a de Polignac number, because 20079135 - 2³ = 20079127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20079099 and 20079108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20079139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3597 + ... + 7286.

It is an arithmetic number, because the mean of its divisors is an integer number (1485666).

Almost surely, 2^20079135 is an apocalyptic number.

20079135 is a deficient number, since it is larger than the sum of its proper divisors (15576849).

20079135 is a wasteful number, since it uses less digits than its factorization.

20079135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10935 (or 10932 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 20079135 is about 4480.9747823437. The cubic root of 20079135 is about 271.7992995741.

The spelling of 20079135 in words is "twenty million, seventy-nine thousand, one hundred thirty-five".