920545101 has 16 divisors (see below), whose sum is σ = 1558595200. Its totient is φ = 526025664.

The previous prime is 920545091. The next prime is 920545139. The reversal of 920545101 is 101545029.

920545101 is a `hidden beast` number, since 9 + 205 + 451 + 0 + 1 = 666.

It is not a de Polignac number, because 920545101 - 2⁶ = 920545037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920545151) 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 15 ways as a sum of consecutive naturals, for example, 2435116 + ... + 2435493.

It is an arithmetic number, because the mean of its divisors is an integer number (97412200).

Almost surely, 2^920545101 is an apocalyptic number.

It is an amenable number.

920545101 is a deficient number, since it is larger than the sum of its proper divisors (638050099).

920545101 is a wasteful number, since it uses less digits than its factorization.

920545101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870625 (or 4870619 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 920545101 is about 30340.4861694733. The cubic root of 920545101 is about 972.7808749397.

The spelling of 920545101 in words is "nine hundred twenty million, five hundred forty-five thousand, one hundred one".