2020221880 has 16 divisors (see below), whose sum is σ = 4545499320. Its totient is φ = 808088736.

The previous prime is 2020221839. The next prime is 2020221901. The reversal of 2020221880 is 881220202.

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, 25252734 + ... + 25252813.

Almost surely, 2^2020221880 is an apocalyptic number.

2020221880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020221880 is an abundant number, since it is smaller than the sum of its proper divisors (2525277440).

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

2020221880 is a wasteful number, since it uses less digits than its factorization.

2020221880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505558 (or 50505554 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 2020221880 is about 44946.8784233121. The cubic root of 2020221880 is about 1264.1531470023.

The spelling of 2020221880 in words is "two billion, twenty million, two hundred twenty-one thousand, eight hundred eighty".