20124253201 has 8 divisors (see below), whose sum is σ = 21676799144. Its totient is φ = 18572353920.

The previous prime is 20124253189. The next prime is 20124253207. The reversal of 20124253201 is 10235242102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10460380176 + 9663873025 = 102276^2 + 98305^2 .

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 20124253201 - 2⁹ = 20124252689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20124253207) 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, 96036 + ... + 222421.

It is an arithmetic number, because the mean of its divisors is an integer number (2709599893).

Almost surely, 2^20124253201 is an apocalyptic number.

It is an amenable number.

20124253201 is a deficient number, since it is larger than the sum of its proper divisors (1552545943).

20124253201 is a wasteful number, since it uses less digits than its factorization.

20124253201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323331.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 20124253201 its reverse (10235242102), we get a palindrome (30359495303).

The spelling of 20124253201 in words is "twenty billion, one hundred twenty-four million, two hundred fifty-three thousand, two hundred one".