20132263451 has 2 divisors, whose sum is σ = 20132263452. Its totient is φ = 20132263450.

The previous prime is 20132263433. The next prime is 20132263477. The reversal of 20132263451 is 15436223102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20132263451 - 2⁶ = 20132263387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20132263421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066131725 + 10066131726.

It is an arithmetic number, because the mean of its divisors is an integer number (10066131726).

Almost surely, 2^20132263451 is an apocalyptic number.

20132263451 is a deficient number, since it is larger than the sum of its proper divisors (1).

20132263451 is an equidigital number, since it uses as much as digits as its factorization.

20132263451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 20132263451 its reverse (15436223102), we get a palindrome (35568486553).

The spelling of 20132263451 in words is "twenty billion, one hundred thirty-two million, two hundred sixty-three thousand, four hundred fifty-one".