18200293202108 has 12 divisors (see below), whose sum is σ = 33526855898760. Its totient is φ = 8621191516752.

The previous prime is 18200293202107. The next prime is 18200293202123. The reversal of 18200293202108 is 80120239200281.

It is a happy number.

It is a super-2 number, since 2×18200293202108² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18200293202107) by changing a digit.

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, 119738770991 + ... + 119738771142.

It is an arithmetic number, because the mean of its divisors is an integer number (2793904658230).

Almost surely, 2^{18200293202108} is an apocalyptic number.

It is an amenable number.

18200293202108 is a deficient number, since it is larger than the sum of its proper divisors (15326562696652).

18200293202108 is a wasteful number, since it uses less digits than its factorization.

18200293202108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239477542156 (or 239477542154 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 18200293202108 in words is "eighteen trillion, two hundred billion, two hundred ninety-three million, two hundred two thousand, one hundred eight".