20124052201 has 6 divisors (see below), whose sum is σ = 22119826106. Its totient is φ = 18294592800.

The previous prime is 20124052187. The next prime is 20124052213. The reversal of 20124052201 is 10225042102.

It can be written as a sum of positive squares in only one way, i.e., 18353746576 + 1770305625 = 135476^2 + 42075^2 .

It is not a de Polignac number, because 20124052201 - 2¹¹ = 20124050153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20124052241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83157120 + ... + 83157361.

Almost surely, 2^20124052201 is an apocalyptic number.

It is an amenable number.

20124052201 is a deficient number, since it is larger than the sum of its proper divisors (1995773905).

20124052201 is a wasteful number, since it uses less digits than its factorization.

20124052201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166314503 (or 166314492 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20124052201 its reverse (10225042102), we get a palindrome (30349094303).

The spelling of 20124052201 in words is "twenty billion, one hundred twenty-four million, fifty-two thousand, two hundred one".