15305005420 has 24 divisors (see below), whose sum is σ = 32159522304. Its totient is φ = 6118381056.

The previous prime is 15305005409. The next prime is 15305005559. The reversal of 15305005420 is 2450050351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191532 + ... + 259411.

It is an arithmetic number, because the mean of its divisors is an integer number (1339980096).

Almost surely, 2^15305005420 is an apocalyptic number.

15305005420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15305005420 is an abundant number, since it is smaller than the sum of its proper divisors (16854516884).

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

15305005420 is a wasteful number, since it uses less digits than its factorization.

15305005420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452649 (or 452647 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 15305005420 its reverse (2450050351), we get a palindrome (17755055771).

The spelling of 15305005420 in words is "fifteen billion, three hundred five million, five thousand, four hundred twenty".