20268674 has 8 divisors (see below), whose sum is σ = 31224828. Its totient is φ = 9860400.

The previous prime is 20268671. The next prime is 20268691. The reversal of 20268674 is 47686202.

It can be written as a sum of positive squares in 2 ways, for example, as 20025625 + 243049 = 4475^2 + 493^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20268671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136877 + ... + 137024.

Almost surely, 2^20268674 is an apocalyptic number.

20268674 is a deficient number, since it is larger than the sum of its proper divisors (10956154).

20268674 is a wasteful number, since it uses less digits than its factorization.

20268674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273940.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 20268674 is about 4502.0744107578. The cubic root of 20268674 is about 272.6518481461.

The spelling of 20268674 in words is "twenty million, two hundred sixty-eight thousand, six hundred seventy-four".