2020992322644 has 288 divisors, whose sum is σ = 5722349068800. Its totient is φ = 598347509760.

The previous prime is 2020992322633. The next prime is 2020992322649. The reversal of 2020992322644 is 4462232990202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020992322644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020992322649) 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 95 ways as a sum of consecutive naturals, for example, 976795642 + ... + 976797710.

It is an arithmetic number, because the mean of its divisors is an integer number (19869267600).

Almost surely, 2^{2020992322644} 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 2020992322644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2861174534400).

2020992322644 is an abundant number, since it is smaller than the sum of its proper divisors (3701356746156).

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

2020992322644 is a wasteful number, since it uses less digits than its factorization.

2020992322644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343 (or 3338 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 2020992322644 in words is "two trillion, twenty billion, nine hundred ninety-two million, three hundred twenty-two thousand, six hundred forty-four".