20014566 has 32 divisors (see below), whose sum is σ = 47029248. Its totient is φ = 5598240.

The previous prime is 20014529. The next prime is 20014567. The reversal of 20014566 is 66541002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014567) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10806 + ... + 12521.

It is an arithmetic number, because the mean of its divisors is an integer number (1469664).

Almost surely, 2^20014566 is an apocalyptic number.

20014566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20014566 is an abundant number, since it is smaller than the sum of its proper divisors (27014682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20014566 is a wasteful number, since it uses less digits than its factorization.

20014566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23356.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20014566 is about 4473.7641869012. The cubic root of 20014566 is about 271.5076426800.

Adding to 20014566 its reverse (66541002), we get a palindrome (86555568).

The spelling of 20014566 in words is "twenty million, fourteen thousand, five hundred sixty-six".