15242120200 has 48 divisors (see below), whose sum is σ = 35553505680. Its totient is φ = 6076964160.

The previous prime is 15242120197. The next prime is 15242120251. The reversal of 15242120200 is 202124251.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62722 + ... + 185521.

It is an arithmetic number, because the mean of its divisors is an integer number (740698035).

Almost surely, 2^15242120200 is an apocalyptic number.

15242120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15242120200 is an abundant number, since it is smaller than the sum of its proper divisors (20311385480).

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

15242120200 is a wasteful number, since it uses less digits than its factorization.

15242120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248566 (or 248557 counting only the distinct ones).

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

Adding to 15242120200 its reverse (202124251), we get a palindrome (15444244451).

The spelling of 15242120200 in words is "fifteen billion, two hundred forty-two million, one hundred twenty thousand, two hundred".