15020244 has 72 divisors (see below), whose sum is σ = 40232192. Its totient is φ = 4717440.

The previous prime is 15020237. The next prime is 15020249. The reversal of 15020244 is 44202051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15020249) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 47832 + ... + 48144.

Almost surely, 2^15020244 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 15020244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20116096).

15020244 is an abundant number, since it is smaller than the sum of its proper divisors (25211948).

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

15020244 is a wasteful number, since it uses less digits than its factorization.

15020244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 15020244 is about 3875.5959541727. The cubic root of 15020244 is about 246.7321042197.

Adding to 15020244 its reverse (44202051), we get a palindrome (59222295).

The spelling of 15020244 in words is "fifteen million, twenty thousand, two hundred forty-four".