266020662 has 8 divisors (see below), whose sum is σ = 532041336. Its totient is φ = 88673552.

The previous prime is 266020633. The next prime is 266020663.

266020662 is nontrivially palindromic in base 10.

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

266020662 is an admirable number.

It is a super-2 number, since 2×266020662² = 141533985221836488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266020663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22168383 + ... + 22168394.

It is an arithmetic number, because the mean of its divisors is an integer number (66505167).

Almost surely, 2^266020662 is an apocalyptic number.

266020662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266020662 is a wasteful number, since it uses less digits than its factorization.

266020662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44336782.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 266020662 is about 16310.1398522514. The cubic root of 266020662 is about 643.1394105896.

The spelling of 266020662 in words is "two hundred sixty-six million, twenty thousand, six hundred sixty-two".