20793308 has 12 divisors (see below), whose sum is σ = 36764112. Its totient is φ = 10289280.

The previous prime is 20793307. The next prime is 20793313. The reversal of 20793308 is 80339702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20793307) 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, 26408 + ... + 27183.

It is an arithmetic number, because the mean of its divisors is an integer number (3063676).

Almost surely, 2^20793308 is an apocalyptic number.

It is an amenable number.

20793308 is a deficient number, since it is larger than the sum of its proper divisors (15970804).

20793308 is a wasteful number, since it uses less digits than its factorization.

20793308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53692 (or 53690 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 20793308 is about 4559.9679823437. The cubic root of 20793308 is about 274.9842767870.

The spelling of 20793308 in words is "twenty million, seven hundred ninety-three thousand, three hundred eight".