20267376225097 has 2 divisors, whose sum is σ = 20267376225098. Its totient is φ = 20267376225096.

The previous prime is 20267376225001. The next prime is 20267376225247. The reversal of 20267376225097 is 79052267376202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11845911520521 + 8421464704576 = 3441789^2 + 2901976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20267376225097 is a prime.

It is a super-2 number, since 2×20267376225097² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20267376223097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133688112548 + 10133688112549.

It is an arithmetic number, because the mean of its divisors is an integer number (10133688112549).

Almost surely, 2^{20267376225097} is an apocalyptic number.

It is an amenable number.

20267376225097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20267376225097 is an equidigital number, since it uses as much as digits as its factorization.

20267376225097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26671680, while the sum is 58.

The spelling of 20267376225097 in words is "twenty trillion, two hundred sixty-seven billion, three hundred seventy-six million, two hundred twenty-five thousand, ninety-seven".