20067245 has 24 divisors (see below), whose sum is σ = 27147960. Its totient is φ = 14220800.

The previous prime is 20067241. The next prime is 20067251. The reversal of 20067245 is 54276002.

It can be written as a sum of positive squares in 4 ways, for example, as 1283689 + 18783556 = 1133^2 + 4334^2 .

It is not a de Polignac number, because 20067245 - 2² = 20067241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20067241) 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 23 ways as a sum of consecutive naturals, for example, 24401 + ... + 25209.

It is an arithmetic number, because the mean of its divisors is an integer number (1131165).

Almost surely, 2^20067245 is an apocalyptic number.

It is an amenable number.

20067245 is a deficient number, since it is larger than the sum of its proper divisors (7080715).

20067245 is a wasteful number, since it uses less digits than its factorization.

20067245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20067245 is about 4479.6478656252. The cubic root of 20067245 is about 271.7456396966.

The spelling of 20067245 in words is "twenty million, sixty-seven thousand, two hundred forty-five".