2021343282 has 256 divisors, whose sum is σ = 5728665600. Its totient is φ = 515082240.

The previous prime is 2021343271. The next prime is 2021343287. The reversal of 2021343282 is 2823431202.

2021343282 is a `hidden beast` number, since 20 + 21 + 343 + 282 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2021343287) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14541969 + ... + 14542107.

It is an arithmetic number, because the mean of its divisors is an integer number (22377600).

Almost surely, 2^2021343282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021343282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864332800).

2021343282 is an abundant number, since it is smaller than the sum of its proper divisors (3707322318).

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

2021343282 is a wasteful number, since it uses less digits than its factorization.

2021343282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2021343282 is about 44959.3514410517. The cubic root of 2021343282 is about 1264.3870093748.

Adding to 2021343282 its reverse (2823431202), we get a palindrome (4844774484).

The spelling of 2021343282 in words is "two billion, twenty-one million, three hundred forty-three thousand, two hundred eighty-two".