63015020 has 24 divisors (see below), whose sum is σ = 139297200. Its totient is φ = 23879232.

The previous prime is 63014977. The next prime is 63015031. The reversal of 63015020 is 2051036.

It is a self number, because there is not a number n which added to its sum of digits gives 63015020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82535 + ... + 83294.

It is an arithmetic number, because the mean of its divisors is an integer number (5804050).

Almost surely, 2^63015020 is an apocalyptic number.

It is an amenable number.

63015020 is an abundant number, since it is smaller than the sum of its proper divisors (76282180).

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

63015020 is a wasteful number, since it uses less digits than its factorization.

63015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165857 (or 165855 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 63015020 is about 7938.2000478698. The cubic root of 63015020 is about 397.9373402025.

Adding to 63015020 its reverse (2051036), we get a palindrome (65066056).

The spelling of 63015020 in words is "sixty-three million, fifteen thousand, twenty".