20670473063 has 2 divisors, whose sum is σ = 20670473064. Its totient is φ = 20670473062.

The previous prime is 20670473051. The next prime is 20670473069. The reversal of 20670473063 is 36037407602.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20670473063 - 2¹⁴ = 20670456679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20670473069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10335236531 + 10335236532.

It is an arithmetic number, because the mean of its divisors is an integer number (10335236532).

Almost surely, 2^20670473063 is an apocalyptic number.

20670473063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20670473063 is an equidigital number, since it uses as much as digits as its factorization.

20670473063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 38.

The spelling of 20670473063 in words is "twenty billion, six hundred seventy million, four hundred seventy-three thousand, sixty-three".