20066626 has 8 divisors (see below), whose sum is σ = 31408704. Its totient is φ = 9597060.

The previous prime is 20066623. The next prime is 20066633. The reversal of 20066626 is 62666002.

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 = 20066594 and 20066603.

It is not an unprimeable number, because it can be changed into a prime (20066623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218070 + ... + 218161.

It is an arithmetic number, because the mean of its divisors is an integer number (3926088).

Almost surely, 2^20066626 is an apocalyptic number.

20066626 is a deficient number, since it is larger than the sum of its proper divisors (11342078).

20066626 is a wasteful number, since it uses less digits than its factorization.

20066626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436256.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 20066626 is about 4479.5787748403. The cubic root of 20066626 is about 271.7428455532.

The spelling of 20066626 in words is "twenty million, sixty-six thousand, six hundred twenty-six".