20614736 has 10 divisors (see below), whose sum is σ = 39941082. Its totient is φ = 10307360.

The previous prime is 20614733. The next prime is 20614747. The reversal of 20614736 is 63741602.

It can be written as a sum of positive squares in only one way, i.e., 20611600 + 3136 = 4540^2 + 56^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20614699 and 20614708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20614733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644195 + ... + 644226.

Almost surely, 2^20614736 is an apocalyptic number.

It is an amenable number.

20614736 is a deficient number, since it is larger than the sum of its proper divisors (19326346).

20614736 is a wasteful number, since it uses less digits than its factorization.

20614736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288429 (or 1288423 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20614736 is about 4540.3453613134. The cubic root of 20614736 is about 274.1948283121.

The spelling of 20614736 in words is "twenty million, six hundred fourteen thousand, seven hundred thirty-six".