20444366 has 8 divisors (see below), whose sum is σ = 30699864. Its totient is φ = 10211080.

The previous prime is 20444357. The next prime is 20444371. The reversal of 20444366 is 66344402.

It is a happy number.

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

It is a super-2 number, since 2×20444366² = 835944202283912, which contains 22 as substring.

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, 3020 + ... + 7071.

It is an arithmetic number, because the mean of its divisors is an integer number (3837483).

Almost surely, 2^20444366 is an apocalyptic number.

20444366 is a deficient number, since it is larger than the sum of its proper divisors (10255498).

20444366 is a wasteful number, since it uses less digits than its factorization.

20444366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 20444366 is about 4521.5446475734. The cubic root of 20444366 is about 273.4373789235.

Adding to 20444366 its reverse (66344402), we get a palindrome (86788768).

The spelling of 20444366 in words is "twenty million, four hundred forty-four thousand, three hundred sixty-six".