20069426 has 12 divisors (see below), whose sum is σ = 32598522. Its totient is φ = 9262656.

The previous prime is 20069417. The next prime is 20069437. The reversal of 20069426 is 62496002.

It can be written as a sum of positive squares in 3 ways, for example, as 14784025 + 5285401 = 3845^2 + 2299^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29351 + ... + 30026.

Almost surely, 2^20069426 is an apocalyptic number.

20069426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20069426 is a deficient number, since it is larger than the sum of its proper divisors (12529096).

20069426 is a wasteful number, since it uses less digits than its factorization.

20069426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59405 (or 59392 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 20069426 is about 4479.8912933240. The cubic root of 20069426 is about 271.7554841931.

The spelling of 20069426 in words is "twenty million, sixty-nine thousand, four hundred twenty-six".