15241420 has 36 divisors (see below), whose sum is σ = 33796224. Its totient is φ = 5772960.

The previous prime is 15241417. The next prime is 15241423. The reversal of 15241420 is 2414251.

It is an interprime number because it is at equal distance from previous prime (15241417) and next prime (15241423).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (15241423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6165 + ... + 8275.

It is an arithmetic number, because the mean of its divisors is an integer number (938784).

Almost surely, 2^15241420 is an apocalyptic number.

15241420 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 15241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16898112).

15241420 is an abundant number, since it is smaller than the sum of its proper divisors (18554804).

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

15241420 is a wasteful number, since it uses less digits than its factorization.

15241420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 15241420 is about 3904.0261269618. The cubic root of 15241420 is about 247.9372673448.

Adding to 15241420 its reverse (2414251), we get a palindrome (17655671).

The spelling of 15241420 in words is "fifteen million, two hundred forty-one thousand, four hundred twenty".