20773093 has 4 divisors (see below), whose sum is σ = 22661568. Its totient is φ = 18884620.

The previous prime is 20773091. The next prime is 20773097. The reversal of 20773093 is 39037702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20773093 - 2¹ = 20773091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20773091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944221 + ... + 944242.

It is an arithmetic number, because the mean of its divisors is an integer number (5665392).

Almost surely, 2^20773093 is an apocalyptic number.

It is an amenable number.

20773093 is a deficient number, since it is larger than the sum of its proper divisors (1888475).

20773093 is a wasteful number, since it uses less digits than its factorization.

20773093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888474.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 20773093 is about 4557.7508707695. The cubic root of 20773093 is about 274.8951357754.

The spelling of 20773093 in words is "twenty million, seven hundred seventy-three thousand, ninety-three".