20335423 has 8 divisors (see below), whose sum is σ = 20579328. Its totient is φ = 20093304.

The previous prime is 20335421. The next prime is 20335463. The reversal of 20335423 is 32453302.

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

It is a cyclic number.

It is not a de Polignac number, because 20335423 - 2¹ = 20335421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20335394 and 20335403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335421) 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, 43690 + ... + 44152.

It is an arithmetic number, because the mean of its divisors is an integer number (2572416).

Almost surely, 2^20335423 is an apocalyptic number.

20335423 is a deficient number, since it is larger than the sum of its proper divisors (243905).

20335423 is a wasteful number, since it uses less digits than its factorization.

20335423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 20335423 is about 4509.4814557774. The cubic root of 20335423 is about 272.9508201248.

Adding to 20335423 its reverse (32453302), we get a palindrome (52788725).

The spelling of 20335423 in words is "twenty million, three hundred thirty-five thousand, four hundred twenty-three".