18203842060 has 24 divisors (see below), whose sum is σ = 38606568336. Its totient is φ = 7209441600.

The previous prime is 18203842057. The next prime is 18203842061. The reversal of 18203842060 is 6024830281.

It is not an unprimeable number, because it can be changed into a prime (18203842061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503882 + ... + 4507921.

It is an arithmetic number, because the mean of its divisors is an integer number (1608607014).

Almost surely, 2^18203842060 is an apocalyptic number.

18203842060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18203842060 is an abundant number, since it is smaller than the sum of its proper divisors (20402726276).

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

18203842060 is a wasteful number, since it uses less digits than its factorization.

18203842060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011913 (or 9011911 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 18203842060 in words is "eighteen billion, two hundred three million, eight hundred forty-two thousand, sixty".