20467315027 has 2 divisors, whose sum is σ = 20467315028. Its totient is φ = 20467315026.

The previous prime is 20467314991. The next prime is 20467315073. The reversal of 20467315027 is 72051376402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20467315027 - 2³¹ = 18319831379 is a prime.

It is not a weakly prime, because it can be changed into another prime (20467315927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233657513 + 10233657514.

It is an arithmetic number, because the mean of its divisors is an integer number (10233657514).

Almost surely, 2^20467315027 is an apocalyptic number.

20467315027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20467315027 is an equidigital number, since it uses as much as digits as its factorization.

20467315027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20467315027 in words is "twenty billion, four hundred sixty-seven million, three hundred fifteen thousand, twenty-seven".