18201009102 has 16 divisors (see below), whose sum is σ = 36403955280. Its totient is φ = 6066680192.

The previous prime is 18201009089. The next prime is 18201009103. The reversal of 18201009102 is 20190010281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18201009103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60424 + ... + 200132.

It is an arithmetic number, because the mean of its divisors is an integer number (2275247205).

Almost surely, 2^18201009102 is an apocalyptic number.

18201009102 is an abundant number, since it is smaller than the sum of its proper divisors (18202946178).

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

18201009102 is a wasteful number, since it uses less digits than its factorization.

18201009102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161427.

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 18201009102 its reverse (20190010281), we get a palindrome (38391019383).

The spelling of 18201009102 in words is "eighteen billion, two hundred one million, nine thousand, one hundred two".