82190204 has 12 divisors (see below), whose sum is σ = 143937528. Its totient is φ = 41065200.

The previous prime is 82190203. The next prime is 82190221. The reversal of 82190204 is 40209128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82190203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587 + ... + 12834.

It is an arithmetic number, because the mean of its divisors is an integer number (11994794).

Almost surely, 2^82190204 is an apocalyptic number.

It is an amenable number.

82190204 is a deficient number, since it is larger than the sum of its proper divisors (61747324).

82190204 is a wasteful number, since it uses less digits than its factorization.

82190204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14956 (or 14954 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 82190204 is about 9065.8813140257. The cubic root of 82190204 is about 434.7837988472.

The spelling of 82190204 in words is "eighty-two million, one hundred ninety thousand, two hundred four".