20237240207 has 8 divisors (see below), whose sum is σ = 21125370240. Its totient is φ = 19349797720.

The previous prime is 20237240203. The next prime is 20237240227. The reversal of 20237240207 is 70204273202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20237240207 - 2² = 20237240203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20237240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20237240203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111269 + ... + 229902.

It is an arithmetic number, because the mean of its divisors is an integer number (2640671280).

Almost surely, 2^20237240207 is an apocalyptic number.

20237240207 is a deficient number, since it is larger than the sum of its proper divisors (888130033).

20237240207 is a wasteful number, since it uses less digits than its factorization.

20237240207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343773.

The product of its (nonzero) digits is 9408, while the sum is 29.

The spelling of 20237240207 in words is "twenty billion, two hundred thirty-seven million, two hundred forty thousand, two hundred seven".