20773233 has 16 divisors (see below), whose sum is σ = 33143040. Its totient is φ = 12783312.

The previous prime is 20773231. The next prime is 20773237. The reversal of 20773233 is 33237702.

It is a happy number.

It is not a de Polignac number, because 20773233 - 2¹ = 20773231 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 20773197 and 20773206.

It is not an unprimeable number, because it can be changed into a prime (20773231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29241 + ... + 29942.

It is an arithmetic number, because the mean of its divisors is an integer number (2071440).

Almost surely, 2^20773233 is an apocalyptic number.

It is an amenable number.

20773233 is a deficient number, since it is larger than the sum of its proper divisors (12369807).

20773233 is a wasteful number, since it uses less digits than its factorization.

20773233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59205 (or 59199 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 27.

The square root of 20773233 is about 4557.7662291961. The cubic root of 20773233 is about 274.8957533248.

The spelling of 20773233 in words is "twenty million, seven hundred seventy-three thousand, two hundred thirty-three".