20773532 has 12 divisors (see below), whose sum is σ = 39150216. Its totient is φ = 9587760.

The previous prime is 20773469. The next prime is 20773549. The reversal of 20773532 is 23537702.

It is a junction number, because it is equal to n+sod(n) for n = 20773495 and 20773504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199694 + ... + 199797.

It is an arithmetic number, because the mean of its divisors is an integer number (3262518).

Almost surely, 2^20773532 is an apocalyptic number.

It is an amenable number.

20773532 is a deficient number, since it is larger than the sum of its proper divisors (18376684).

20773532 is a wasteful number, since it uses less digits than its factorization.

20773532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399508 (or 399506 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 20773532 is about 4557.7990302338. The cubic root of 20773532 is about 274.8970722245.

The spelling of 20773532 in words is "twenty million, seven hundred seventy-three thousand, five hundred thirty-two".