200001001240 has 16 divisors (see below), whose sum is σ = 450002252880. Its totient is φ = 80000400480.

The previous prime is 200001001237. The next prime is 200001001289. The reversal of 200001001240 is 42100100002.

200001001240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 3 ways as a sum of consecutive naturals, for example, 2500012476 + ... + 2500012555.

It is an arithmetic number, because the mean of its divisors is an integer number (28125140805).

Almost surely, 2^200001001240 is an apocalyptic number.

200001001240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001001240 is an abundant number, since it is smaller than the sum of its proper divisors (250001251640).

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

200001001240 is a wasteful number, since it uses less digits than its factorization.

200001001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000025042 (or 5000025038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 200001001240 its reverse (42100100002), we get a palindrome (242101101242).

The spelling of 200001001240 in words is "two hundred billion, one million, one thousand, two hundred forty".