2745836020 has 24 divisors (see below), whose sum is σ = 5770180584. Its totient is φ = 1097586816.

The previous prime is 2745836017. The next prime is 2745836057. The reversal of 2745836020 is 206385472.

It can be written as a sum of positive squares in 4 ways, for example, as 724794084 + 2021041936 = 26922^2 + 44956^2 .

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, 16119 + ... + 75838.

It is an arithmetic number, because the mean of its divisors is an integer number (240424191).

Almost surely, 2^2745836020 is an apocalyptic number.

2745836020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745836020 is an abundant number, since it is smaller than the sum of its proper divisors (3024344564).

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

2745836020 is a wasteful number, since it uses less digits than its factorization.

2745836020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93459 (or 93457 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2745836020 is about 52400.7253766587. The cubic root of 2745836020 is about 1400.3121786831.

The spelling of 2745836020 in words is "two billion, seven hundred forty-five million, eight hundred thirty-six thousand, twenty".