18382020002 has 8 divisors (see below), whose sum is σ = 27587964096. Its totient is φ = 9186031972.

The previous prime is 18382020001. The next prime is 18382020029. The reversal of 18382020002 is 20002028381.

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

It is not an unprimeable number, because it can be changed into a prime (18382020001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484398 + ... + 2491785.

It is an arithmetic number, because the mean of its divisors is an integer number (3448495512).

Almost surely, 2^18382020002 is an apocalyptic number.

18382020002 is a deficient number, since it is larger than the sum of its proper divisors (9205944094).

18382020002 is a wasteful number, since it uses less digits than its factorization.

18382020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4978032.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 18382020002 its reverse (20002028381), we get a palindrome (38384048383).

The spelling of 18382020002 in words is "eighteen billion, three hundred eighty-two million, twenty thousand, two".