20039426 has 8 divisors (see below), whose sum is σ = 32791824. Its totient is φ = 9108820.

The previous prime is 20039407. The next prime is 20039443. The reversal of 20039426 is 62493002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20039395 and 20039404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455420 + ... + 455463.

It is an arithmetic number, because the mean of its divisors is an integer number (4098978).

Almost surely, 2^20039426 is an apocalyptic number.

20039426 is a deficient number, since it is larger than the sum of its proper divisors (12752398).

20039426 is a wasteful number, since it uses less digits than its factorization.

20039426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910896.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20039426 is about 4476.5417455889. The cubic root of 20039426 is about 271.6200089660.

The spelling of 20039426 in words is "twenty million, thirty-nine thousand, four hundred twenty-six".