20132444401 has 2 divisors, whose sum is σ = 20132444402. Its totient is φ = 20132444400.

The previous prime is 20132444377. The next prime is 20132444417. The reversal of 20132444401 is 10444423102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20050560000 + 81884401 = 141600^2 + 9049^2 .

It is a cyclic number.

It is not a de Polignac number, because 20132444401 - 2⁷ = 20132444273 is a prime.

It is not a weakly prime, because it can be changed into another prime (20132444461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066222200 + 10066222201.

It is an arithmetic number, because the mean of its divisors is an integer number (10066222201).

Almost surely, 2^20132444401 is an apocalyptic number.

It is an amenable number.

20132444401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132444401 is an equidigital number, since it uses as much as digits as its factorization.

20132444401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 20132444401 its reverse (10444423102), we get a palindrome (30576867503).

The spelling of 20132444401 in words is "twenty billion, one hundred thirty-two million, four hundred forty-four thousand, four hundred one".