20001820182 has 32 divisors (see below), whose sum is σ = 42327323520. Its totient is φ = 6283630080.

The previous prime is 20001820177. The next prime is 20001820199. The reversal of 20001820182 is 28102810002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432544 + ... + 476547.

It is an arithmetic number, because the mean of its divisors is an integer number (1322728860).

Almost surely, 2^20001820182 is an apocalyptic number.

20001820182 is an abundant number, since it is smaller than the sum of its proper divisors (22325503338).

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

20001820182 is a wasteful number, since it uses less digits than its factorization.

20001820182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909308.

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 20001820182 in words is "twenty billion, one million, eight hundred twenty thousand, one hundred eighty-two".