18382020201002 has 16 divisors (see below), whose sum is σ = 28245792870792. Its totient is φ = 8966759873280.

The previous prime is 18382020200987. The next prime is 18382020201019. The reversal of 18382020201002 is 20010202028381.

It can be written as a sum of positive squares in 4 ways, for example, as 12916613172961 + 5465407028041 = 3593969^2 + 2337821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8948408 + ... + 10809164.

Almost surely, 2^{18382020201002} is an apocalyptic number.

18382020201002 is a deficient number, since it is larger than the sum of its proper divisors (9863772669790).

18382020201002 is a wasteful number, since it uses less digits than its factorization.

18382020201002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981273.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 18382020201002 its reverse (20010202028381), we get a palindrome (38392222229383).

The spelling of 18382020201002 in words is "eighteen trillion, three hundred eighty-two billion, twenty million, two hundred one thousand, two".