2021203020324 has 96 divisors (see below), whose sum is σ = 4961744879616. Its totient is φ = 639134496000.

The previous prime is 2021203020293. The next prime is 2021203020337. The reversal of 2021203020324 is 4230203021202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021203020324.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113945184 + ... + 113962920.

It is an arithmetic number, because the mean of its divisors is an integer number (51684842496).

Almost surely, 2^{2021203020324} 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 2021203020324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2480872439808).

2021203020324 is an abundant number, since it is smaller than the sum of its proper divisors (2940541859292).

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

2021203020324 is a wasteful number, since it uses less digits than its factorization.

2021203020324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145 (or 21143 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2021203020324 its reverse (4230203021202), we get a palindrome (6251406041526).

The spelling of 2021203020324 in words is "two trillion, twenty-one billion, two hundred three million, twenty thousand, three hundred twenty-four".