20430801 has 12 divisors (see below), whose sum is σ = 29580928. Its totient is φ = 13588344.

The previous prime is 20430799. The next prime is 20430827. The reversal of 20430801 is 10803402.

It is a happy number.

It is not a de Polignac number, because 20430801 - 2¹ = 20430799 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716 + ... + 6618.

Almost surely, 2^20430801 is an apocalyptic number.

It is an amenable number.

20430801 is a deficient number, since it is larger than the sum of its proper divisors (9150127).

20430801 is a wasteful number, since it uses less digits than its factorization.

20430801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20430801 is about 4520.0443581894. The cubic root of 20430801 is about 273.3768895821.

The spelling of 20430801 in words is "twenty million, four hundred thirty thousand, eight hundred one".