2193116720 has 40 divisors (see below), whose sum is σ = 5116453776. Its totient is φ = 874243328.

The previous prime is 2193116711. The next prime is 2193116749. The reversal of 2193116720 is 276113912.

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

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, 23342 + ... + 70221.

Almost surely, 2^2193116720 is an apocalyptic number.

2193116720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2193116720 is an abundant number, since it is smaller than the sum of its proper divisors (2923337056).

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

2193116720 is a wasteful number, since it uses less digits than its factorization.

2193116720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93869 (or 93863 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2193116720 is about 46830.7241028793. The cubic root of 2193116720 is about 1299.2336153457.

The spelling of 2193116720 in words is "two billion, one hundred ninety-three million, one hundred sixteen thousand, seven hundred twenty".