20546448 has 80 divisors (see below), whose sum is σ = 60204480. Its totient is φ = 5985792.

The previous prime is 20546437. The next prime is 20546479. The reversal of 20546448 is 84464502.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10990 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (752556).

Almost surely, 2^20546448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20546448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30102240).

20546448 is an abundant number, since it is smaller than the sum of its proper divisors (39658032).

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

20546448 is a wasteful number, since it uses less digits than its factorization.

20546448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 20546448 is about 4532.8189904297. The cubic root of 20546448 is about 273.8917291159.

The spelling of 20546448 in words is "twenty million, five hundred forty-six thousand, four hundred forty-eight".