2001770720 has 48 divisors (see below), whose sum is σ = 4731900768. Its totient is φ = 800248320.

The previous prime is 2001770711. The next prime is 2001770731. The reversal of 2001770720 is 270771002.

2001770720 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2001770720.

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, 471005 + ... + 475235.

It is an arithmetic number, because the mean of its divisors is an integer number (98581266).

Almost surely, 2^2001770720 is an apocalyptic number.

2001770720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001770720 is an abundant number, since it is smaller than the sum of its proper divisors (2730130048).

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

2001770720 is a wasteful number, since it uses less digits than its factorization.

2001770720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7203 (or 7195 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 2001770720 is about 44741.1524214565. The cubic root of 2001770720 is about 1260.2927681152.

The spelling of 2001770720 in words is "two billion, one million, seven hundred seventy thousand, seven hundred twenty".