20034566 has 8 divisors (see below), whose sum is σ = 30184920. Its totient is φ = 9972928.

The previous prime is 20034557. The next prime is 20034589. The reversal of 20034566 is 66543002.

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

It is a congruent number.

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, 21611 + ... + 22518.

It is an arithmetic number, because the mean of its divisors is an integer number (3773115).

Almost surely, 2^20034566 is an apocalyptic number.

20034566 is a deficient number, since it is larger than the sum of its proper divisors (10150354).

20034566 is a wasteful number, since it uses less digits than its factorization.

20034566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44358.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20034566 is about 4475.9988829310. The cubic root of 20034566 is about 271.5980492556.

Adding to 20034566 its reverse (66543002), we get a palindrome (86577568).

The spelling of 20034566 in words is "twenty million, thirty-four thousand, five hundred sixty-six".