315300020 has 96 divisors (see below), whose sum is σ = 807916032. Its totient is φ = 100896768.

The previous prime is 315300019. The next prime is 315300053. The reversal of 315300020 is 20003513.

It is a super-2 number, since 2×315300020² = 198828205224000800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 315299968 and 315300004.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 325577 + ... + 326543.

It is an arithmetic number, because the mean of its divisors is an integer number (8415792).

Almost surely, 2^315300020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403958016).

315300020 is an abundant number, since it is smaller than the sum of its proper divisors (492616012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315300020 is a wasteful number, since it uses less digits than its factorization.

315300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 315300020 is about 17756.6894436998. The cubic root of 315300020 is about 680.6251603746.

Adding to 315300020 its reverse (20003513), we get a palindrome (335303533).

The spelling of 315300020 in words is "three hundred fifteen million, three hundred thousand, twenty".