2989283220 has 324 divisors, whose sum is σ = 11598111252. Its totient is φ = 620928000.

The previous prime is 2989283197. The next prime is 2989283261. The reversal of 2989283220 is 223829892.

2989283220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1298593296 + 1690689924 = 36036^2 + 41118^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1065820 + ... + 1068620.

Almost surely, 2^2989283220 is an apocalyptic number.

2989283220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2989283220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5799055626).

2989283220 is an abundant number, since it is smaller than the sum of its proper divisors (8608828032).

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

2989283220 is a wasteful number, since it uses less digits than its factorization.

2989283220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 2989283220 is about 54674.3378560728. The cubic root of 2989283220 is about 1440.5301577997.

The spelling of 2989283220 in words is "two billion, nine hundred eighty-nine million, two hundred eighty-three thousand, two hundred twenty".