20084424 has 32 divisors (see below), whose sum is σ = 51438240. Its totient is φ = 6531200.

The previous prime is 20084419. The next prime is 20084431. The reversal of 20084424 is 42448002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20084394 and 20084403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9222 + ... + 11189.

It is an arithmetic number, because the mean of its divisors is an integer number (1607445).

Almost surely, 2^20084424 is an apocalyptic number.

20084424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20084424 is an abundant number, since it is smaller than the sum of its proper divisors (31353816).

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

20084424 is a wasteful number, since it uses less digits than its factorization.

20084424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20461 (or 20457 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 20084424 is about 4481.5649052535. The cubic root of 20084424 is about 271.8231621607.

The spelling of 20084424 in words is "twenty million, eighty-four thousand, four hundred twenty-four".