20424084 has 24 divisors (see below), whose sum is σ = 47731488. Its totient is φ = 6797280.

The previous prime is 20424067. The next prime is 20424101. The reversal of 20424084 is 48042402.

It is an interprime number because it is at equal distance from previous prime (20424067) and next prime (20424101).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11419 + ... + 13085.

It is an arithmetic number, because the mean of its divisors is an integer number (1988812).

Almost surely, 2^20424084 is an apocalyptic number.

It is an amenable number.

20424084 is an abundant number, since it is smaller than the sum of its proper divisors (27307404).

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

20424084 is a wasteful number, since it uses less digits than its factorization.

20424084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695 (or 2693 counting only the distinct ones).

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

The square root of 20424084 is about 4519.3012734271. The cubic root of 20424084 is about 273.3469270786.

Adding to 20424084 its reverse (48042402), we get a palindrome (68466486).

The spelling of 20424084 in words is "twenty million, four hundred twenty-four thousand, eighty-four".