20031004412401 has 2 divisors, whose sum is σ = 20031004412402. Its totient is φ = 20031004412400.

The previous prime is 20031004412269. The next prime is 20031004412423. The reversal of 20031004412401 is 10421440013002.

It is a happy number.

It is an a-pointer prime, because the next prime (20031004412423) can be obtained adding 20031004412401 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18082914264801 + 1948090147600 = 4252401^2 + 1395740^2 .

It is a cyclic number.

It is not a de Polignac number, because 20031004412401 - 2²¹ = 20031002315249 is a prime.

It is a super-2 number, since 2×20031004412401² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20031004412201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015502206200 + 10015502206201.

It is an arithmetic number, because the mean of its divisors is an integer number (10015502206201).

Almost surely, 2^{20031004412401} is an apocalyptic number.

It is an amenable number.

20031004412401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20031004412401 is an equidigital number, since it uses as much as digits as its factorization.

20031004412401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20031004412401 its reverse (10421440013002), we get a palindrome (30452444425403).

The spelling of 20031004412401 in words is "twenty trillion, thirty-one billion, four million, four hundred twelve thousand, four hundred one".