20144100401 has 2 divisors, whose sum is σ = 20144100402. Its totient is φ = 20144100400.

The previous prime is 20144100367. The next prime is 20144100469. The reversal of 20144100401 is 10400144102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17955732001 + 2188368400 = 133999^2 + 46780^2 .

It is a cyclic number.

It is not a de Polignac number, because 20144100401 - 2⁶ = 20144100337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20144100401.

It is not a weakly prime, because it can be changed into another prime (20144100101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10072050200 + 10072050201.

It is an arithmetic number, because the mean of its divisors is an integer number (10072050201).

Almost surely, 2^20144100401 is an apocalyptic number.

It is an amenable number.

20144100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20144100401 is an equidigital number, since it uses as much as digits as its factorization.

20144100401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20144100401 its reverse (10400144102), we get a palindrome (30544244503).

The spelling of 20144100401 in words is "twenty billion, one hundred forty-four million, one hundred thousand, four hundred one".