662020266 has 16 divisors (see below), whose sum is σ = 1334467584. Its totient is φ = 218935584.

The previous prime is 662020241. The next prime is 662020279.

662020266 is nontrivially palindromic in base 10.

662020266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433635 + ... + 435158.

It is an arithmetic number, because the mean of its divisors is an integer number (83404224).

Almost surely, 2^662020266 is an apocalyptic number.

662020266 is an abundant number, since it is smaller than the sum of its proper divisors (672447318).

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

662020266 is a wasteful number, since it uses less digits than its factorization.

662020266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868925.

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

The square root of 662020266 is about 25729.7544877521. The cubic root of 662020266 is about 871.5462290272.

The spelling of 662020266 in words is "six hundred sixty-two million, twenty thousand, two hundred sixty-six".