2021333140 has 12 divisors (see below), whose sum is σ = 4244799636. Its totient is φ = 808533248.

The previous prime is 2021333137. The next prime is 2021333159. The reversal of 2021333140 is 413331202.

It can be written as a sum of positive squares in 2 ways, for example, as 1082278404 + 939054736 = 32898^2 + 30644^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50533309 + ... + 50533348.

It is an arithmetic number, because the mean of its divisors is an integer number (353733303).

Almost surely, 2^2021333140 is an apocalyptic number.

2021333140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021333140 is an abundant number, since it is smaller than the sum of its proper divisors (2223466496).

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

2021333140 is a wasteful number, since it uses less digits than its factorization.

2021333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101066666 (or 101066664 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2021333140 is about 44959.2386501373. The cubic root of 2021333140 is about 1264.3848947028.

Adding to 2021333140 its reverse (413331202), we get a palindrome (2434664342).

The spelling of 2021333140 in words is "two billion, twenty-one million, three hundred thirty-three thousand, one hundred forty".