20497082182 has 16 divisors (see below), whose sum is σ = 30880991232. Its totient is φ = 10203453000.

The previous prime is 20497082171. The next prime is 20497082191. The reversal of 20497082182 is 28128079402.

It is a super-2 number, since 2×20497082182² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1442203 + ... + 1456345.

It is an arithmetic number, because the mean of its divisors is an integer number (1930061952).

Almost surely, 2^20497082182 is an apocalyptic number.

20497082182 is a deficient number, since it is larger than the sum of its proper divisors (10383909050).

20497082182 is a wasteful number, since it uses less digits than its factorization.

20497082182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17283.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 20497082182 in words is "twenty billion, four hundred ninety-seven million, eighty-two thousand, one hundred eighty-two".