200182001820 has 48 divisors (see below), whose sum is σ = 565469886240. Its totient is φ = 52909459456.

The previous prime is 200182001797. The next prime is 200182001849. The reversal of 200182001820 is 28100281002.

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, 14755905 + ... + 14769464.

It is an arithmetic number, because the mean of its divisors is an integer number (11780622630).

Almost surely, 2^200182001820 is an apocalyptic number.

200182001820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200182001820 is an abundant number, since it is smaller than the sum of its proper divisors (365287884420).

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

200182001820 is a wasteful number, since it uses less digits than its factorization.

200182001820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29525494 (or 29525492 counting only the distinct ones).

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

Adding to 200182001820 its reverse (28100281002), we get a palindrome (228282282822).

The spelling of 200182001820 in words is "two hundred billion, one hundred eighty-two million, one thousand, eight hundred twenty".