20544348 has 36 divisors (see below), whose sum is σ = 52694600. Its totient is φ = 6225120.

The previous prime is 20544343. The next prime is 20544389. The reversal of 20544348 is 84344502.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20544341) 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, 5623 + ... + 8526.

Almost surely, 2^20544348 is an apocalyptic number.

It is an amenable number.

20544348 is an abundant number, since it is smaller than the sum of its proper divisors (32150252).

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

20544348 is a wasteful number, since it uses less digits than its factorization.

20544348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178 (or 14165 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 20544348 is about 4532.5873405815. The cubic root of 20544348 is about 273.8823975398.

The spelling of 20544348 in words is "twenty million, five hundred forty-four thousand, three hundred forty-eight".