266520020134334 has 8 divisors (see below), whose sum is σ = 399780180945288. Its totient is φ = 133259959819240.

The previous prime is 266520020134297. The next prime is 266520020134351. The reversal of 266520020134334 is 433431020025662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×266520020134334² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266520020134291 and 266520020134300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18101237 + ... + 29337600.

It is an arithmetic number, because the mean of its divisors is an integer number (49972522618161).

Almost surely, 2^{266520020134334} is an apocalyptic number.

266520020134334 is a deficient number, since it is larger than the sum of its proper divisors (133260160810954).

266520020134334 is a wasteful number, since it uses less digits than its factorization.

266520020134334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50247930.

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 266520020134334 its reverse (433431020025662), we get a palindrome (699951040159996).

The spelling of 266520020134334 in words is "two hundred sixty-six trillion, five hundred twenty billion, twenty million, one hundred thirty-four thousand, three hundred thirty-four".