200021210960 has 40 divisors (see below), whose sum is σ = 465209722440. Its totient is φ = 79980887552.

The previous prime is 200021210959. The next prime is 200021211079. The reversal of 200021210960 is 69012120002.

It can be written as a sum of positive squares in 4 ways, for example, as 106096124176 + 93925086784 = 325724^2 + 306472^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197027 + ... + 662466.

It is an arithmetic number, because the mean of its divisors is an integer number (11630243061).

Almost surely, 2^200021210960 is an apocalyptic number.

200021210960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200021210960 is an abundant number, since it is smaller than the sum of its proper divisors (265188511480).

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

200021210960 is a wasteful number, since it uses less digits than its factorization.

200021210960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862415 (or 862409 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 200021210960 its reverse (69012120002), we get a palindrome (269033330962).

The spelling of 200021210960 in words is "two hundred billion, twenty-one million, two hundred ten thousand, nine hundred sixty".