20773360 has 20 divisors (see below), whose sum is σ = 48298248. Its totient is φ = 8309312.

The previous prime is 20773331. The next prime is 20773399. The reversal of 20773360 is 6337702.

It is a tau number, because it is divible by the number of its divisors (20).

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, 129754 + ... + 129913.

Almost surely, 2^20773360 is an apocalyptic number.

20773360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20773360 is an abundant number, since it is smaller than the sum of its proper divisors (27524888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20773360 is a wasteful number, since it uses less digits than its factorization.

20773360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259680 (or 259674 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 28.

The square root of 20773360 is about 4557.7801614382. The cubic root of 20773360 is about 274.8963135279.

The spelling of 20773360 in words is "twenty million, seven hundred seventy-three thousand, three hundred sixty".