20020315 has 16 divisors (see below), whose sum is σ = 27744192. Its totient is φ = 13584384.

The previous prime is 20020307. The next prime is 20020331. The reversal of 20020315 is 51302002.

It is a cyclic number.

It is not a de Polignac number, because 20020315 - 2³ = 20020307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020295 and 20020304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (1734012).

Almost surely, 2^20020315 is an apocalyptic number.

20020315 is a deficient number, since it is larger than the sum of its proper divisors (7723877).

20020315 is an equidigital number, since it uses as much as digits as its factorization.

20020315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20020315 is about 4474.4066645758. The cubic root of 20020315 is about 271.5336362158.

Adding to 20020315 its reverse (51302002), we get a palindrome (71322317).

The spelling of 20020315 in words is "twenty million, twenty thousand, three hundred fifteen".