15020504422420 has 72 divisors (see below), whose sum is σ = 36703775324160. Its totient is φ = 5148367398720.

The previous prime is 15020504422349. The next prime is 15020504422439. The reversal of 15020504422420 is 2422440502051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1063221 + ... + 5583139.

It is an arithmetic number, because the mean of its divisors is an integer number (509774657280).

Almost surely, 2^{15020504422420} is an apocalyptic number.

15020504422420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15020504422420 is an abundant number, since it is smaller than the sum of its proper divisors (21683270901740).

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

15020504422420 is a wasteful number, since it uses less digits than its factorization.

15020504422420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523333 (or 4523324 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 15020504422420 its reverse (2422440502051), we get a palindrome (17442944924471).

The spelling of 15020504422420 in words is "fifteen trillion, twenty billion, five hundred four million, four hundred twenty-two thousand, four hundred twenty".