20047773 has 8 divisors (see below), whose sum is σ = 27107136. Its totient is φ = 13176800.

The previous prime is 20047757. The next prime is 20047823. The reversal of 20047773 is 37774002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20047773 - 2⁴ = 20047757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20047773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20047733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46848 + ... + 47273.

It is an arithmetic number, because the mean of its divisors is an integer number (3388392).

Almost surely, 2^20047773 is an apocalyptic number.

It is an amenable number.

20047773 is a deficient number, since it is larger than the sum of its proper divisors (7059363).

20047773 is an equidigital number, since it uses as much as digits as its factorization.

20047773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94195.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 20047773 is about 4477.4739530231. The cubic root of 20047773 is about 271.6577162587.

The spelling of 20047773 in words is "twenty million, forty-seven thousand, seven hundred seventy-three".