15843196020 has 48 divisors (see below), whose sum is σ = 44367740928. Its totient is φ = 4224205440.

The previous prime is 15843196013. The next prime is 15843196049. The reversal of 15843196020 is 2069134851.

It is a self number, because there is not a number n which added to its sum of digits gives 15843196020.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 475342 + ... + 507578.

It is an arithmetic number, because the mean of its divisors is an integer number (924327936).

Almost surely, 2^15843196020 is an apocalyptic number.

15843196020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15843196020 is an abundant number, since it is smaller than the sum of its proper divisors (28524544908).

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

15843196020 is a wasteful number, since it uses less digits than its factorization.

15843196020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440 (or 40438 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 15843196020 in words is "fifteen billion, eight hundred forty-three million, one hundred ninety-six thousand, twenty".