20203002401 has 2 divisors, whose sum is σ = 20203002402. Its totient is φ = 20203002400.

The previous prime is 20203002389. The next prime is 20203002409. The reversal of 20203002401 is 10420030202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18030044176 + 2172958225 = 134276^2 + 46615^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203002401 - 2²⁶ = 20135893537 is a prime.

It is a super-2 number, since 2×20203002401² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20203002409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101501200 + 10101501201.

It is an arithmetic number, because the mean of its divisors is an integer number (10101501201).

Almost surely, 2^20203002401 is an apocalyptic number.

It is an amenable number.

20203002401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203002401 is an equidigital number, since it uses as much as digits as its factorization.

20203002401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20203002401 its reverse (10420030202), we get a palindrome (30623032603).

The spelling of 20203002401 in words is "twenty billion, two hundred three million, two thousand, four hundred one".