3020432421 has 4 divisors (see below), whose sum is σ = 4027243232. Its totient is φ = 2013621612.

The previous prime is 3020432417. The next prime is 3020432453. The reversal of 3020432421 is 1242340203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3020432421 - 2² = 3020432417 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 (3020432521) 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, 503405401 + ... + 503405406.

It is an arithmetic number, because the mean of its divisors is an integer number (1006810808).

Almost surely, 2^3020432421 is an apocalyptic number.

It is an amenable number.

3020432421 is a deficient number, since it is larger than the sum of its proper divisors (1006810811).

3020432421 is a wasteful number, since it uses less digits than its factorization.

3020432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006810810.

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

The square root of 3020432421 is about 54958.4608681866. The cubic root of 3020432421 is about 1445.5164592676.

Adding to 3020432421 its reverse (1242340203), we get a palindrome (4262772624).

The spelling of 3020432421 in words is "three billion, twenty million, four hundred thirty-two thousand, four hundred twenty-one".