20685483 has 32 divisors (see below), whose sum is σ = 37721600. Its totient is φ = 10909728.

The previous prime is 20685473. The next prime is 20685503. The reversal of 20685483 is 38458602.

It is not a de Polignac number, because 20685483 - 2⁸ = 20685227 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20685403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1753 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (1178800).

Almost surely, 2^20685483 is an apocalyptic number.

20685483 is a deficient number, since it is larger than the sum of its proper divisors (17036117).

20685483 is a wasteful number, since it uses less digits than its factorization.

20685483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448 (or 8442 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 20685483 is about 4548.1296155673. The cubic root of 20685483 is about 274.5081367590.

The spelling of 20685483 in words is "twenty million, six hundred eighty-five thousand, four hundred eighty-three".