20018200002 has 8 divisors (see below), whose sum is σ = 40036400016. Its totient is φ = 6672733332.

The previous prime is 20018199977. The next prime is 20018200051. The reversal of 20018200002 is 20000281002.

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

20018200002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668183328 + ... + 1668183339.

It is an arithmetic number, because the mean of its divisors is an integer number (5004550002).

Almost surely, 2^20018200002 is an apocalyptic number.

20018200002 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.

20018200002 is a wasteful number, since it uses less digits than its factorization.

20018200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336366672.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20018200002 its reverse (20000281002), we get a palindrome (40018481004).

The spelling of 20018200002 in words is "twenty billion, eighteen million, two hundred thousand, two".