20623063507 has 2 divisors, whose sum is σ = 20623063508. Its totient is φ = 20623063506.

The previous prime is 20623063501. The next prime is 20623063541. The reversal of 20623063507 is 70536032602.

It is an a-pointer prime, because the next prime (20623063541) can be obtained adding 20623063507 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20623063507 - 2³ = 20623063499 is a prime.

It is not a weakly prime, because it can be changed into another prime (20623063501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10311531753 + 10311531754.

It is an arithmetic number, because the mean of its divisors is an integer number (10311531754).

Almost surely, 2^20623063507 is an apocalyptic number.

20623063507 is a deficient number, since it is larger than the sum of its proper divisors (1).

20623063507 is an equidigital number, since it uses as much as digits as its factorization.

20623063507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 20623063507 in words is "twenty billion, six hundred twenty-three million, sixty-three thousand, five hundred seven".