18820882190 has 16 divisors (see below), whose sum is σ = 36957368880. Its totient is φ = 6843957120.

The previous prime is 18820882151. The next prime is 18820882219. The reversal of 18820882190 is 9128802881.

It is a super-2 number, since 2×18820882190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 85549355 + ... + 85549574.

It is an arithmetic number, because the mean of its divisors is an integer number (2309835555).

Almost surely, 2^18820882190 is an apocalyptic number.

18820882190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18820882190 is a deficient number, since it is larger than the sum of its proper divisors (18136486690).

18820882190 is a wasteful number, since it uses less digits than its factorization.

18820882190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171098947.

The product of its (nonzero) digits is 147456, while the sum is 47.

The spelling of 18820882190 in words is "eighteen billion, eight hundred twenty million, eight hundred eighty-two thousand, one hundred ninety".