2021870337552 has 960 divisors, whose sum is σ = 6752267827200. Its totient is φ = 585178214400.

The previous prime is 2021870337551. The next prime is 2021870337581. The reversal of 2021870337552 is 2557330781202.

2021870337552 is a `hidden beast` number, since 2 + 0 + 21 + 8 + 70 + 3 + 3 + 7 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2021870337498 and 2021870337507.

It is not an unprimeable number, because it can be changed into a prime (2021870337551) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 7516246474 + ... + 7516246742.

It is an arithmetic number, because the mean of its divisors is an integer number (7033612320).

Almost surely, 2^{2021870337552} 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 2021870337552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376133913600).

2021870337552 is an abundant number, since it is smaller than the sum of its proper divisors (4730397489648).

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

2021870337552 is a wasteful number, since it uses less digits than its factorization.

2021870337552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 2021870337552 in words is "two trillion, twenty-one billion, eight hundred seventy million, three hundred thirty-seven thousand, five hundred fifty-two".