20270671027 has 2 divisors, whose sum is σ = 20270671028. Its totient is φ = 20270671026.

The previous prime is 20270670991. The next prime is 20270671033. The reversal of 20270671027 is 72017607202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20270671027 - 2⁷ = 20270670899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20270670983 and 20270671001.

It is not a weakly prime, because it can be changed into another prime (20270671097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10135335513 + 10135335514.

It is an arithmetic number, because the mean of its divisors is an integer number (10135335514).

Almost surely, 2^20270671027 is an apocalyptic number.

20270671027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20270671027 is an equidigital number, since it uses as much as digits as its factorization.

20270671027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16464, while the sum is 34.

The spelling of 20270671027 in words is "twenty billion, two hundred seventy million, six hundred seventy-one thousand, twenty-seven".