32020320018 has 8 divisors (see below), whose sum is σ = 64040640048. Its totient is φ = 10673440004.

The previous prime is 32020319987. The next prime is 32020320049. The reversal of 32020320018 is 81002302023.

It is an interprime number because it is at equal distance from previous prime (32020319987) and next prime (32020320049).

It is a sphenic number, since it is the product of 3 distinct primes.

32020320018 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 32020319976 and 32020320003.

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 3 ways as a sum of consecutive naturals, for example, 2668359996 + ... + 2668360007.

It is an arithmetic number, because the mean of its divisors is an integer number (8005080006).

Almost surely, 2^32020320018 is an apocalyptic number.

32020320018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

32020320018 is a wasteful number, since it uses less digits than its factorization.

32020320018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336720008.

The product of its (nonzero) digits is 576, while the sum is 21.

The spelling of 32020320018 in words is "thirty-two billion, twenty million, three hundred twenty thousand, eighteen".