2000020080 has 80 divisors (see below), whose sum is σ = 6564785184. Its totient is φ = 501964800.

The previous prime is 2000020073. The next prime is 2000020081. The reversal of 2000020080 is 800200002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000020081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241021 + ... + 249180.

Almost surely, 2^2000020080 is an apocalyptic number.

2000020080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000020080 is an abundant number, since it is smaller than the sum of its proper divisors (4564765104).

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

2000020080 is a wasteful number, since it uses less digits than its factorization.

2000020080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490234 (or 490228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2000020080 is about 44721.5840506572. The cubic root of 2000020080 is about 1259.9252664165.

Adding to 2000020080 its reverse (800200002), we get a palindrome (2800220082).

The spelling of 2000020080 in words is "two billion, twenty thousand, eighty".