20216275147 has 2 divisors, whose sum is σ = 20216275148. Its totient is φ = 20216275146.

The previous prime is 20216275133. The next prime is 20216275153. The reversal of 20216275147 is 74157261202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20216275147 - 2²⁷ = 20082057419 is a prime.

It is not a weakly prime, because it can be changed into another prime (20216275127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10108137573 + 10108137574.

It is an arithmetic number, because the mean of its divisors is an integer number (10108137574).

Almost surely, 2^20216275147 is an apocalyptic number.

20216275147 is a deficient number, since it is larger than the sum of its proper divisors (1).

20216275147 is an equidigital number, since it uses as much as digits as its factorization.

20216275147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 20216275147 in words is "twenty billion, two hundred sixteen million, two hundred seventy-five thousand, one hundred forty-seven".