2728282020 has 24 divisors (see below), whose sum is σ = 7639189824. Its totient is φ = 727541856.

The previous prime is 2728282019. The next prime is 2728282027. The reversal of 2728282020 is 202828272.

It is not an unprimeable number, because it can be changed into a prime (2728282027) 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, 22735624 + ... + 22735743.

It is an arithmetic number, because the mean of its divisors is an integer number (318299576).

Almost surely, 2^2728282020 is an apocalyptic number.

2728282020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2728282020 is an abundant number, since it is smaller than the sum of its proper divisors (4910907804).

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

2728282020 is a wasteful number, since it uses less digits than its factorization.

2728282020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45471379 (or 45471377 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2728282020 is about 52232.9591350136. The cubic root of 2728282020 is about 1397.3217538437.

The spelling of 2728282020 in words is "two billion, seven hundred twenty-eight million, two hundred eighty-two thousand, twenty".