920434211 has 4 divisors (see below), whose sum is σ = 920917272. Its totient is φ = 919951152.

The previous prime is 920434201. The next prime is 920434243. The reversal of 920434211 is 112434029.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920434211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920434201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238661 + ... + 242486.

It is an arithmetic number, because the mean of its divisors is an integer number (230229318).

Almost surely, 2^920434211 is an apocalyptic number.

920434211 is a deficient number, since it is larger than the sum of its proper divisors (483061).

920434211 is a wasteful number, since it uses less digits than its factorization.

920434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483060.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 920434211 is about 30338.6586882149. The cubic root of 920434211 is about 972.7418125759.

The spelling of 920434211 in words is "nine hundred twenty million, four hundred thirty-four thousand, two hundred eleven".