20079315 has 24 divisors (see below), whose sum is σ = 35465040. Its totient is φ = 10505664.

The previous prime is 20079313. The next prime is 20079331. The reversal of 20079315 is 51397002.

It is not a de Polignac number, because 20079315 - 2¹ = 20079313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20079313) 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, 1825 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (1477710).

Almost surely, 2^20079315 is an apocalyptic number.

20079315 is a deficient number, since it is larger than the sum of its proper divisors (15385725).

20079315 is a wasteful number, since it uses less digits than its factorization.

20079315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483 (or 8480 counting only the distinct ones).

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

The square root of 20079315 is about 4480.9948672142. The cubic root of 20079315 is about 271.8001117559.

The spelling of 20079315 in words is "twenty million, seventy-nine thousand, three hundred fifteen".