20514244 has 12 divisors (see below), whose sum is σ = 35941500. Its totient is φ = 10245248.

The previous prime is 20514191. The next prime is 20514251. The reversal of 20514244 is 44241502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16711744 + 3802500 = 4088^2 + 1950^2 .

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, 1752 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (2995125).

Almost surely, 2^20514244 is an apocalyptic number.

It is an amenable number.

20514244 is a deficient number, since it is larger than the sum of its proper divisors (15427256).

20514244 is a wasteful number, since it uses less digits than its factorization.

20514244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942 (or 5940 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 20514244 is about 4529.2652825817. The cubic root of 20514244 is about 273.7485572229.

Adding to 20514244 its reverse (44241502), we get a palindrome (64755746).

The spelling of 20514244 in words is "twenty million, five hundred fourteen thousand, two hundred forty-four".