15020940 has 72 divisors (see below), whose sum is σ = 46252080. Its totient is φ = 3639680.

The previous prime is 15020933. The next prime is 15020947. The reversal of 15020940 is 4902051.

15020940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15020933) and next prime (15020947).

It is not an unprimeable number, because it can be changed into a prime (15020947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6226 + ... + 8294.

It is an arithmetic number, because the mean of its divisors is an integer number (642390).

Almost surely, 2^15020940 is an apocalyptic number.

15020940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15020940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23126040).

15020940 is an abundant number, since it is smaller than the sum of its proper divisors (31231140).

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

15020940 is a wasteful number, since it uses less digits than its factorization.

15020940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103 (or 2090 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 15020940 is about 3875.6857457745. The cubic root of 15020940 is about 246.7359151408.

Adding to 15020940 its reverse (4902051), we get a palindrome (19922991).

The spelling of 15020940 in words is "fifteen million, twenty thousand, nine hundred forty".