200997768780 has 36 divisors (see below), whose sum is σ = 609693232512. Its totient is φ = 53599404960.

The previous prime is 200997768779. The next prime is 200997768781. The reversal of 200997768780 is 87867799002.

200997768780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (200997768779) and next prime (200997768781).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (200997768781) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 558326956 + ... + 558327315.

Almost surely, 2^200997768780 is an apocalyptic number.

200997768780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200997768780 is an abundant number, since it is smaller than the sum of its proper divisors (408695463732).

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

200997768780 is a wasteful number, since it uses less digits than its factorization.

200997768780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116654286 (or 1116654281 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The spelling of 200997768780 in words is "two hundred billion, nine hundred ninety-seven million, seven hundred sixty-eight thousand, seven hundred eighty".