20935426 has 8 divisors (see below), whose sum is σ = 31424400. Its totient is φ = 10460628.

The previous prime is 20935417. The next prime is 20935433. The reversal of 20935426 is 62453902.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705 + ... + 6691.

It is an arithmetic number, because the mean of its divisors is an integer number (3928050).

Almost surely, 2^20935426 is an apocalyptic number.

20935426 is a deficient number, since it is larger than the sum of its proper divisors (10488974).

20935426 is a wasteful number, since it uses less digits than its factorization.

20935426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 20935426 is about 4575.5246693685. The cubic root of 20935426 is about 275.6093419426.

The spelling of 20935426 in words is "twenty million, nine hundred thirty-five thousand, four hundred twenty-six".