20766483 has 12 divisors (see below), whose sum is σ = 30800280. Its totient is φ = 13828536.

The previous prime is 20766479. The next prime is 20766521. The reversal of 20766483 is 38466702.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

20766483 is a `hidden beast` number, since 2 + 0 + 7 + 6 + 648 + 3 = 666.

It is not a de Polignac number, because 20766483 - 2² = 20766479 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20766443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23241 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (2566690).

Almost surely, 2^20766483 is an apocalyptic number.

20766483 is a deficient number, since it is larger than the sum of its proper divisors (10033797).

20766483 is an frugal number, since it uses more digits than its factorization.

20766483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 20766483 is about 4557.0256747137. The cubic root of 20766483 is about 274.8659754635.

The spelling of 20766483 in words is "twenty million, seven hundred sixty-six thousand, four hundred eighty-three".