2021001300 has 288 divisors, whose sum is σ = 6862060800. Its totient is φ = 509483520.

The previous prime is 2021001299. The next prime is 2021001313. The reversal of 2021001300 is 31001202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4149657 + ... + 4150143.

It is an arithmetic number, because the mean of its divisors is an integer number (23826600).

Almost surely, 2^2021001300 is an apocalyptic number.

2021001300 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 2021001300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3431030400).

2021001300 is an abundant number, since it is smaller than the sum of its proper divisors (4841059500).

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

2021001300 is a wasteful number, since it uses less digits than its factorization.

2021001300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2021001300 is about 44955.5480447075. The cubic root of 2021001300 is about 1264.3157000316.

Adding to 2021001300 its reverse (31001202), we get a palindrome (2052002502).

The spelling of 2021001300 in words is "two billion, twenty-one million, one thousand, three hundred".