20635483 has 4 divisors (see below), whose sum is σ = 22511448. Its totient is φ = 18759520.

The previous prime is 20635477. The next prime is 20635493. The reversal of 20635483 is 38453602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20635483 - 2¹³ = 20627291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20635403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937966 + ... + 937987.

It is an arithmetic number, because the mean of its divisors is an integer number (5627862).

Almost surely, 2^20635483 is an apocalyptic number.

20635483 is a deficient number, since it is larger than the sum of its proper divisors (1875965).

20635483 is a wasteful number, since it uses less digits than its factorization.

20635483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875964.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 20635483 is about 4542.6295248457. The cubic root of 20635483 is about 274.2867821578.

The spelling of 20635483 in words is "twenty million, six hundred thirty-five thousand, four hundred eighty-three".