200401840020 has 48 divisors (see below), whose sum is σ = 562654165248. Its totient is φ = 53294870400.

The previous prime is 200401840007. The next prime is 200401840049. The reversal of 200401840020 is 20048104002.

200401840020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4528431 + ... + 4572470.

It is an arithmetic number, because the mean of its divisors is an integer number (11721961776).

Almost surely, 2^200401840020 is an apocalyptic number.

200401840020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200401840020 is an abundant number, since it is smaller than the sum of its proper divisors (362252325228).

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

200401840020 is a wasteful number, since it uses less digits than its factorization.

200401840020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9101280 (or 9101278 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 200401840020 its reverse (20048104002), we get a palindrome (220449944022).

The spelling of 200401840020 in words is "two hundred billion, four hundred one million, eight hundred forty thousand, twenty".