20538714 has 32 divisors (see below), whose sum is σ = 47134080. Its totient is φ = 5844672.

The previous prime is 20538691. The next prime is 20538773. The reversal of 20538714 is 41783502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11472 + ... + 13140.

It is an arithmetic number, because the mean of its divisors is an integer number (1472940).

Almost surely, 2^20538714 is an apocalyptic number.

20538714 is an abundant number, since it is smaller than the sum of its proper divisors (26595366).

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

20538714 is a wasteful number, since it uses less digits than its factorization.

20538714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 20538714 is about 4531.9657986353. The cubic root of 20538714 is about 273.8573591123.

The spelling of 20538714 in words is "twenty million, five hundred thirty-eight thousand, seven hundred fourteen".