2013020421 has 8 divisors (see below), whose sum is σ = 2800724160. Its totient is φ = 1283665152.

The previous prime is 2013020407. The next prime is 2013020437. The reversal of 2013020421 is 1240203102.

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

It is not a de Polignac number, because 2013020421 - 2⁵ = 2013020389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2013020421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013020441) 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, 14587036 + ... + 14587173.

It is an arithmetic number, because the mean of its divisors is an integer number (350090520).

Almost surely, 2^2013020421 is an apocalyptic number.

It is an amenable number.

2013020421 is a deficient number, since it is larger than the sum of its proper divisors (787703739).

2013020421 is a wasteful number, since it uses less digits than its factorization.

2013020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29174235.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2013020421 is about 44866.6961230711. The cubic root of 2013020421 is about 1262.6492551182.

Adding to 2013020421 its reverse (1240203102), we get a palindrome (3253223523).

The spelling of 2013020421 in words is "two billion, thirteen million, twenty thousand, four hundred twenty-one".