2820105180 has 96 divisors (see below), whose sum is σ = 9289788480. Its totient is φ = 707788800.

The previous prime is 2820105157. The next prime is 2820105181. The reversal of 2820105180 is 815010282.

2820105180 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820105181) 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, 144421 + ... + 162780.

It is an arithmetic number, because the mean of its divisors is an integer number (96768630).

Almost surely, 2^2820105180 is an apocalyptic number.

2820105180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820105180 is an abundant number, since it is smaller than the sum of its proper divisors (6469683300).

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

2820105180 is a wasteful number, since it uses less digits than its factorization.

2820105180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307236 (or 307228 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 2820105180 is about 53104.6625071660. The cubic root of 2820105180 is about 1412.8252090621.

The spelling of 2820105180 in words is "two billion, eight hundred twenty million, one hundred five thousand, one hundred eighty".