2028020080 has 20 divisors (see below), whose sum is σ = 4715146872. Its totient is φ = 811208000.

The previous prime is 2028020041. The next prime is 2028020131. The reversal of 2028020080 is 800208202.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2028020080² = 8225730889766412800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12675046 + ... + 12675205.

Almost surely, 2^2028020080 is an apocalyptic number.

2028020080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2028020080 is an abundant number, since it is smaller than the sum of its proper divisors (2687126792).

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

2028020080 is a wasteful number, since it uses less digits than its factorization.

2028020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350264 (or 25350258 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 2028020080 is about 45033.5439422660. The cubic root of 2028020080 is about 1265.7776322388. Note that the first 3 decimals are identical.

Adding to 2028020080 its reverse (800208202), we get a palindrome (2828228282).

The spelling of 2028020080 in words is "two billion, twenty-eight million, twenty thousand, eighty".