2761816020 has 48 divisors (see below), whose sum is σ = 7788742080. Its totient is φ = 731183616.

The previous prime is 2761815943. The next prime is 2761816027. The reversal of 2761816020 is 206181672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2761816027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157237 + ... + 173916.

It is an arithmetic number, because the mean of its divisors is an integer number (162265460).

Almost surely, 2^2761816020 is an apocalyptic number.

2761816020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2761816020 is an abundant number, since it is smaller than the sum of its proper divisors (5026926060).

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

2761816020 is a wasteful number, since it uses less digits than its factorization.

2761816020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331304 (or 331302 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2761816020 is about 52552.9829790850. The cubic root of 2761816020 is about 1403.0234014196.

Adding to 2761816020 its reverse (206181672), we get a palindrome (2967997692).

The spelling of 2761816020 in words is "two billion, seven hundred sixty-one million, eight hundred sixteen thousand, twenty".