2021330004 has 24 divisors (see below), whose sum is σ = 4719244320. Its totient is φ = 673375584.

The previous prime is 2021329979. The next prime is 2021330009. The reversal of 2021330004 is 4000331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021330009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28774 + ... + 69789.

It is an arithmetic number, because the mean of its divisors is an integer number (196635180).

Almost surely, 2^2021330004 is an apocalyptic number.

It is an amenable number.

2021330004 is an abundant number, since it is smaller than the sum of its proper divisors (2697914316).

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

2021330004 is a wasteful number, since it uses less digits than its factorization.

2021330004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100279 (or 100277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2021330004 is about 44959.2037740883. The cubic root of 2021330004 is about 1264.3842408252.

Adding to 2021330004 its reverse (4000331202), we get a palindrome (6021661206).

The spelling of 2021330004 in words is "two billion, twenty-one million, three hundred thirty thousand, four".