20467315927 has 2 divisors, whose sum is σ = 20467315928. Its totient is φ = 20467315926.

The previous prime is 20467315919. The next prime is 20467315931. The reversal of 20467315927 is 72951376402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20467315927 - 2³ = 20467315919 is a prime.

It is a super-2 number, since 2×20467315927² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20467315987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233657963 + 10233657964.

It is an arithmetic number, because the mean of its divisors is an integer number (10233657964).

Almost surely, 2^20467315927 is an apocalyptic number.

20467315927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20467315927 is an equidigital number, since it uses as much as digits as its factorization.

20467315927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 20467315927 in words is "twenty billion, four hundred sixty-seven million, three hundred fifteen thousand, nine hundred twenty-seven".