20001120207 has 4 divisors (see below), whose sum is σ = 26668160280. Its totient is φ = 13334080136.

The previous prime is 20001120197. The next prime is 20001120253. The reversal of 20001120207 is 70202110002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20001120207 - 2¹⁸ = 20000858063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001120257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3333520032 + ... + 3333520037.

It is an arithmetic number, because the mean of its divisors is an integer number (6667040070).

Almost surely, 2^20001120207 is an apocalyptic number.

20001120207 is a deficient number, since it is larger than the sum of its proper divisors (6667040073).

20001120207 is an equidigital number, since it uses as much as digits as its factorization.

20001120207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667040072.

The product of its (nonzero) digits is 56, while the sum is 15.

Adding to 20001120207 its reverse (70202110002), we get a palindrome (90203230209).

The spelling of 20001120207 in words is "twenty billion, one million, one hundred twenty thousand, two hundred seven".