2013204421 has 8 divisors (see below), whose sum is σ = 2101357440. Its totient is φ = 1925103312.

The previous prime is 2013204377. The next prime is 2013204437. The reversal of 2013204421 is 1244023102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2013204421 - 2¹⁵ = 2013171653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013204461) 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, 80776 + ... + 102718.

It is an arithmetic number, because the mean of its divisors is an integer number (262669680).

Almost surely, 2^2013204421 is an apocalyptic number.

It is an amenable number.

2013204421 is a deficient number, since it is larger than the sum of its proper divisors (88153019).

2013204421 is a wasteful number, since it uses less digits than its factorization.

2013204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25955.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2013204421 is about 44868.7465949295. The cubic root of 2013204421 is about 1262.6877247370.

Adding to 2013204421 its reverse (1244023102), we get a palindrome (3257227523).

The spelling of 2013204421 in words is "two billion, thirteen million, two hundred four thousand, four hundred twenty-one".