20015052 has 48 divisors (see below), whose sum is σ = 50676192. Its totient is φ = 6123520.

The previous prime is 20015041. The next prime is 20015053. The reversal of 20015052 is 25051002.

It is not an unprimeable number, because it can be changed into a prime (20015053) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7168 + ... + 9560.

It is an arithmetic number, because the mean of its divisors is an integer number (1055754).

Almost surely, 2^20015052 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 20015052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25338096).

20015052 is an abundant number, since it is smaller than the sum of its proper divisors (30661140).

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

20015052 is a wasteful number, since it uses less digits than its factorization.

20015052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 20015052 is about 4473.8185032475. The cubic root of 20015052 is about 271.5098402736.

Adding to 20015052 its reverse (25051002), we get a palindrome (45066054).

The spelling of 20015052 in words is "twenty million, fifteen thousand, fifty-two".