9968780220 has 48 divisors (see below), whose sum is σ = 31900098048. Its totient is φ = 2278578240.

The previous prime is 9968780219. The next prime is 9968780251. The reversal of 9968780220 is 220878699.

It is a happy number.

9968780220 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11867176 + ... + 11868015.

It is an arithmetic number, because the mean of its divisors is an integer number (664585376).

Almost surely, 2^9968780220 is an apocalyptic number.

It is an amenable number.

9968780220 is an abundant number, since it is smaller than the sum of its proper divisors (21931317828).

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

9968780220 is a wasteful number, since it uses less digits than its factorization.

9968780220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23735210 (or 23735208 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 9968780220 is about 99843.7790751131. The cubic root of 9968780220 is about 2152.1903202163.

The spelling of 9968780220 in words is "nine billion, nine hundred sixty-eight million, seven hundred eighty thousand, two hundred twenty".