2820011201 has 32 divisors (see below), whose sum is σ = 3389568000. Its totient is φ = 2343720960.

The previous prime is 2820011171. The next prime is 2820011261. The reversal of 2820011201 is 1021100282.

It is a happy number.

It is not a de Polignac number, because 2820011201 - 2⁶ = 2820011137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2820011201.

It is not an unprimeable number, because it can be changed into a prime (2820011261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2713640 + ... + 2714678.

It is an arithmetic number, because the mean of its divisors is an integer number (105924000).

Almost surely, 2^2820011201 is an apocalyptic number.

It is an amenable number.

2820011201 is a deficient number, since it is larger than the sum of its proper divisors (569556799).

2820011201 is a wasteful number, since it uses less digits than its factorization.

2820011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 2820011201 is about 53103.7776528186. Note that the first 3 decimals coincide. The cubic root of 2820011201 is about 1412.8095149223.

Adding to 2820011201 its reverse (1021100282), we get a palindrome (3841111483).

The spelling of 2820011201 in words is "two billion, eight hundred twenty million, eleven thousand, two hundred one".