2771020 has 24 divisors (see below), whose sum is σ = 6650784. Its totient is φ = 950016.

The previous prime is 2771011. The next prime is 2771023. The reversal of 2771020 is 201772.

It is not an unprimeable number, because it can be changed into a prime (2771023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9757 + ... + 10036.

It is an arithmetic number, because the mean of its divisors is an integer number (277116).

2^2771020 is an apocalyptic number.

2771020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2771020 is an abundant number, since it is smaller than the sum of its proper divisors (3879764).

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

2771020 is a wasteful number, since it uses less digits than its factorization.

2771020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19809 (or 19807 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2771020 is about 1664.6380988071. The cubic root of 2771020 is about 140.4580237060.

Adding to 2771020 its reverse (201772), we get a palindrome (2972792).

It can be divided in two parts, 27710 and 20, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 2771020 in words is "two million, seven hundred seventy-one thousand, twenty".