200003012031440 has 20 divisors (see below), whose sum is σ = 465007002973284. Its totient is φ = 80001204812544.

The previous prime is 200003012031409. The next prime is 200003012031443. The reversal of 200003012031440 is 44130210300002.

It can be written as a sum of positive squares in 2 ways, for example, as 96261372218944 + 103741639812496 = 9811288^2 + 10185364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200003012031443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250018825117 + ... + 1250018825276.

Almost surely, 2^{200003012031440} is an apocalyptic number.

200003012031440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200003012031440 is an abundant number, since it is smaller than the sum of its proper divisors (265003990941844).

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

200003012031440 is a wasteful number, since it uses less digits than its factorization.

200003012031440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500037650406 (or 2500037650400 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200003012031440 its reverse (44130210300002), we get a palindrome (244133222331442).

The spelling of 200003012031440 in words is "two hundred trillion, three billion, twelve million, thirty-one thousand, four hundred forty".