20401042367 has 2 divisors, whose sum is σ = 20401042368. Its totient is φ = 20401042366.

The previous prime is 20401042241. The next prime is 20401042369. The reversal of 20401042367 is 76324010402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20401042367 - 2⁸ = 20401042111 is a prime.

Together with 20401042369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20401042369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200521183 + 10200521184.

It is an arithmetic number, because the mean of its divisors is an integer number (10200521184).

Almost surely, 2^20401042367 is an apocalyptic number.

20401042367 is a deficient number, since it is larger than the sum of its proper divisors (1).

20401042367 is an equidigital number, since it uses as much as digits as its factorization.

20401042367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 20401042367 its reverse (76324010402), we get a palindrome (96725052769).

The spelling of 20401042367 in words is "twenty billion, four hundred one million, forty-two thousand, three hundred sixty-seven".