266020223051 has 4 divisors (see below), whose sum is σ = 290203879704. Its totient is φ = 241836566400.

The previous prime is 266020223047. The next prime is 266020223069. The reversal of 266020223051 is 150322020662.

266020223051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 266020223051 - 2² = 266020223047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266020223041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12091828310 + ... + 12091828331.

It is an arithmetic number, because the mean of its divisors is an integer number (72550969926).

Almost surely, 2^266020223051 is an apocalyptic number.

266020223051 is a deficient number, since it is larger than the sum of its proper divisors (24183656653).

266020223051 is a wasteful number, since it uses less digits than its factorization.

266020223051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24183656652.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 266020223051 in words is "two hundred sixty-six billion, twenty million, two hundred twenty-three thousand, fifty-one".