15104124420 has 384 divisors, whose sum is σ = 54846554112. Its totient is φ = 3013977600.

The previous prime is 15104124383. The next prime is 15104124463. The reversal of 15104124420 is 2442140151.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 23344537 + ... + 23345183.

It is an arithmetic number, because the mean of its divisors is an integer number (142829568).

Almost surely, 2^15104124420 is an apocalyptic number.

15104124420 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 15104124420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27423277056).

15104124420 is an abundant number, since it is smaller than the sum of its proper divisors (39742429692).

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

15104124420 is a wasteful number, since it uses less digits than its factorization.

15104124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 15104124420 its reverse (2442140151), we get a palindrome (17546264571).

The spelling of 15104124420 in words is "fifteen billion, one hundred four million, one hundred twenty-four thousand, four hundred twenty".