20267376225247 has 2 divisors, whose sum is σ = 20267376225248. Its totient is φ = 20267376225246.

The previous prime is 20267376225097. The next prime is 20267376225269. The reversal of 20267376225247 is 74252267376202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20267376225247 - 2³¹ = 20265228741599 is a prime.

It is a super-3 number, since 3×20267376225247³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20267376205247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133688112623 + 10133688112624.

It is an arithmetic number, because the mean of its divisors is an integer number (10133688112624).

Almost surely, 2^{20267376225247} is an apocalyptic number.

20267376225247 is a deficient number, since it is larger than the sum of its proper divisors (1).

20267376225247 is an equidigital number, since it uses as much as digits as its factorization.

20267376225247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 55.

The spelling of 20267376225247 in words is "twenty trillion, two hundred sixty-seven billion, three hundred seventy-six million, two hundred twenty-five thousand, two hundred forty-seven".