2021201504 has 24 divisors (see below), whose sum is σ = 4547703888. Its totient is φ = 866229120.

The previous prime is 2021201471. The next prime is 2021201509. The reversal of 2021201504 is 4051021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021201509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4511387 + ... + 4511834.

It is an arithmetic number, because the mean of its divisors is an integer number (189487662).

Almost surely, 2^2021201504 is an apocalyptic number.

It is an amenable number.

2021201504 is an abundant number, since it is smaller than the sum of its proper divisors (2526502384).

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

2021201504 is an equidigital number, since it uses as much as digits as its factorization.

2021201504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9023238 (or 9023230 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 2021201504 is about 44957.7746780243. The cubic root of 2021201504 is about 1264.3574471106.

Adding to 2021201504 its reverse (4051021202), we get a palindrome (6072222706).

The spelling of 2021201504 in words is "two billion, twenty-one million, two hundred one thousand, five hundred four".