20843284182 has 32 divisors (see below), whose sum is σ = 47646157824. Its totient is φ = 5954678400.

The previous prime is 20843284159. The next prime is 20843284199. The reversal of 20843284182 is 28148234802.

20843284182 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20843284182² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 750382 + ... + 777662.

It is an arithmetic number, because the mean of its divisors is an integer number (1488942432).

Almost surely, 2^20843284182 is an apocalyptic number.

20843284182 is an abundant number, since it is smaller than the sum of its proper divisors (26802873642).

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

20843284182 is a wasteful number, since it uses less digits than its factorization.

20843284182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45484.

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 20843284182 in words is "twenty billion, eight hundred forty-three million, two hundred eighty-four thousand, one hundred eighty-two".