2020320764 has 96 divisors (see below), whose sum is σ = 4523904000. Its totient is φ = 782604480.

The previous prime is 2020320763. The next prime is 2020320769. The reversal of 2020320764 is 4670230202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020320763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3968942 + ... + 3969450.

It is an arithmetic number, because the mean of its divisors is an integer number (47124000).

Almost surely, 2^2020320764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020320764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2261952000).

2020320764 is an abundant number, since it is smaller than the sum of its proper divisors (2503583236).

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

2020320764 is a wasteful number, since it uses less digits than its factorization.

2020320764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 2020320764 is about 44947.9784195018. The cubic root of 2020320764 is about 1264.1737722088.

Adding to 2020320764 its reverse (4670230202), we get a palindrome (6690550966).

The spelling of 2020320764 in words is "two billion, twenty million, three hundred twenty thousand, seven hundred sixty-four".