10206620445247 has 2 divisors, whose sum is σ = 10206620445248. Its totient is φ = 10206620445246.

The previous prime is 10206620445179. The next prime is 10206620445283. The reversal of 10206620445247 is 74254402660201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10206620445247 - 2²⁷ = 10206486227519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10206620445647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103310222623 + 5103310222624.

It is an arithmetic number, because the mean of its divisors is an integer number (5103310222624).

Almost surely, 2^{10206620445247} is an apocalyptic number.

10206620445247 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206620445247 is an equidigital number, since it uses as much as digits as its factorization.

10206620445247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 10206620445247 in words is "ten trillion, two hundred six billion, six hundred twenty million, four hundred forty-five thousand, two hundred forty-seven".