15200820140 has 48 divisors (see below), whose sum is σ = 34880267520. Its totient is φ = 5518591680.

The previous prime is 15200820109. The next prime is 15200820143. The reversal of 15200820140 is 4102800251.

It is not an unprimeable number, because it can be changed into a prime (15200820143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80369 + ... + 191991.

It is an arithmetic number, because the mean of its divisors is an integer number (726672240).

Almost surely, 2^15200820140 is an apocalyptic number.

15200820140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15200820140 is an abundant number, since it is smaller than the sum of its proper divisors (19679447380).

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

15200820140 is a wasteful number, since it uses less digits than its factorization.

15200820140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112262 (or 112260 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 15200820140 in words is "fifteen billion, two hundred million, eight hundred twenty thousand, one hundred forty".