200182020020 has 24 divisors (see below), whose sum is σ = 425105641800. Its totient is φ = 79173112832.

The previous prime is 200182020011. The next prime is 200182020023. The reversal of 200182020020 is 20020281002.

It can be written as a sum of positive squares in 4 ways, for example, as 6745665424 + 193436354596 = 82132^2 + 439814^2 .

It is a super-2 number, since 2×200182020020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200182020023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56229125 + ... + 56232684.

It is an arithmetic number, because the mean of its divisors is an integer number (17712735075).

Almost surely, 2^200182020020 is an apocalyptic number.

200182020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200182020020 is an abundant number, since it is smaller than the sum of its proper divisors (224923621780).

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

200182020020 is a wasteful number, since it uses less digits than its factorization.

200182020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112461907 (or 112461905 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 200182020020 in words is "two hundred billion, one hundred eighty-two million, twenty thousand, twenty".