20237668 has 48 divisors (see below), whose sum is σ = 41061888. Its totient is φ = 8640000.

The previous prime is 20237653. The next prime is 20237669. The reversal of 20237668 is 86673202.

It is not an unprimeable number, because it can be changed into a prime (20237669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50268 + ... + 50668.

It is an arithmetic number, because the mean of its divisors is an integer number (855456).

Almost surely, 2^20237668 is an apocalyptic number.

It is an amenable number.

20237668 is an abundant number, since it is smaller than the sum of its proper divisors (20824220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20237668 is a wasteful number, since it uses less digits than its factorization.

20237668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 20237668 is about 4498.6295691021. The cubic root of 20237668 is about 272.5127474888.

The spelling of 20237668 in words is "twenty million, two hundred thirty-seven thousand, six hundred sixty-eight".