2064740033620 has 72 divisors (see below), whose sum is σ = 4766928864264. Its totient is φ = 750662880000.

The previous prime is 2064740033579. The next prime is 2064740033659. The reversal of 2064740033620 is 263300474602.

It can be written as a sum of positive squares in 4 ways, for example, as 9949663504 + 2054790370116 = 99748^2 + 1433454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2064740033620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12260790 + ... + 12428050.

It is an arithmetic number, because the mean of its divisors is an integer number (66207345337).

Almost surely, 2^{2064740033620} is an apocalyptic number.

2064740033620 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 2064740033620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383464432132).

2064740033620 is an abundant number, since it is smaller than the sum of its proper divisors (2702188830644).

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

2064740033620 is a wasteful number, since it uses less digits than its factorization.

2064740033620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172393 (or 172380 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 2064740033620 in words is "two trillion, sixty-four billion, seven hundred forty million, thirty-three thousand, six hundred twenty".