2020662040 has 64 divisors (see below), whose sum is σ = 4670991360. Its totient is φ = 786247680.

The previous prime is 2020662037. The next prime is 2020662071. The reversal of 2020662040 is 402660202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626512 + ... + 629728.

It is an arithmetic number, because the mean of its divisors is an integer number (72984240).

Almost surely, 2^2020662040 is an apocalyptic number.

2020662040 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 2020662040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2335495680).

2020662040 is an abundant number, since it is smaller than the sum of its proper divisors (2650329320).

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

2020662040 is a wasteful number, since it uses less digits than its factorization.

2020662040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2020662040 is about 44951.7746034570. The cubic root of 2020662040 is about 1264.2449503249.

The spelling of 2020662040 in words is "two billion, twenty million, six hundred sixty-two thousand, forty".