20269874 has 8 divisors (see below), whose sum is σ = 30430620. Its totient is φ = 10126336.

The previous prime is 20269871. The next prime is 20269889. The reversal of 20269874 is 47896202.

It can be written as a sum of positive squares in 2 ways, for example, as 13741849 + 6528025 = 3707^2 + 2555^2 .

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 (20269871) 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, 779 + ... + 6414.

Almost surely, 2^20269874 is an apocalyptic number.

20269874 is a deficient number, since it is larger than the sum of its proper divisors (10160746).

20269874 is a wasteful number, since it uses less digits than its factorization.

20269874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8604.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20269874 is about 4502.2076806829. The cubic root of 20269874 is about 272.6572287935.

The spelling of 20269874 in words is "twenty million, two hundred sixty-nine thousand, eight hundred seventy-four".