20114644 has 12 divisors (see below), whose sum is σ = 38400768. Its totient is φ = 9143000.

The previous prime is 20114573. The next prime is 20114651. The reversal of 20114644 is 44641102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 228532 + ... + 228619.

It is an arithmetic number, because the mean of its divisors is an integer number (3200064).

Almost surely, 2^20114644 is an apocalyptic number.

It is an amenable number.

20114644 is a deficient number, since it is larger than the sum of its proper divisors (18286124).

20114644 is a wasteful number, since it uses less digits than its factorization.

20114644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457166 (or 457164 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 20114644 is about 4484.9352280719. The cubic root of 20114644 is about 271.9594266182.

Adding to 20114644 its reverse (44641102), we get a palindrome (64755746).

The spelling of 20114644 in words is "twenty million, one hundred fourteen thousand, six hundred forty-four".