2028484820 has 12 divisors (see below), whose sum is σ = 4259818164. Its totient is φ = 811393920.

The previous prime is 2028484813. The next prime is 2028484849. The reversal of 2028484820 is 284848202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1054171024 + 974313796 = 32468^2 + 31214^2 .

It is a super-2 number, since 2×2028484820² = 8229501329940864800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50712101 + ... + 50712140.

It is an arithmetic number, because the mean of its divisors is an integer number (354984847).

Almost surely, 2^2028484820 is an apocalyptic number.

2028484820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028484820 is an abundant number, since it is smaller than the sum of its proper divisors (2231333344).

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

2028484820 is a wasteful number, since it uses less digits than its factorization.

2028484820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101424250 (or 101424248 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 2028484820 is about 45038.7035781449. The cubic root of 2028484820 is about 1265.8743131631.

The spelling of 2028484820 in words is "two billion, twenty-eight million, four hundred eighty-four thousand, eight hundred twenty".