20773244 has 12 divisors (see below), whose sum is σ = 37039464. Its totient is φ = 10190544.

The previous prime is 20773241. The next prime is 20773253. The reversal of 20773244 is 44237702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20773241) 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, 48782 + ... + 49205.

It is an arithmetic number, because the mean of its divisors is an integer number (3086622).

Almost surely, 2^20773244 is an apocalyptic number.

It is an amenable number.

20773244 is a deficient number, since it is larger than the sum of its proper divisors (16266220).

20773244 is a wasteful number, since it uses less digits than its factorization.

20773244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98044 (or 98042 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 20773244 is about 4557.7674359274. The cubic root of 20773244 is about 274.8958018464.

The spelling of 20773244 in words is "twenty million, seven hundred seventy-three thousand, two hundred forty-four".