20173092 has 12 divisors (see below), whose sum is σ = 47070576. Its totient is φ = 6724360.

The previous prime is 20173091. The next prime is 20173133. The reversal of 20173092 is 29037102.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20173091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840534 + ... + 840557.

It is an arithmetic number, because the mean of its divisors is an integer number (3922548).

Almost surely, 2^20173092 is an apocalyptic number.

It is an amenable number.

20173092 is an abundant number, since it is smaller than the sum of its proper divisors (26897484).

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

20173092 is a wasteful number, since it uses less digits than its factorization.

20173092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681098 (or 1681096 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 20173092 is about 4491.4465375867. The cubic root of 20173092 is about 272.2225866872. Note that the first 3 decimals are identical.

The spelling of 20173092 in words is "twenty million, one hundred seventy-three thousand, ninety-two".