20924016 has 40 divisors (see below), whose sum is σ = 56901120. Its totient is φ = 6607296.

The previous prime is 20924011. The next prime is 20924021. The reversal of 20924016 is 61042902.

It is an interprime number because it is at equal distance from previous prime (20924011) and next prime (20924021).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20924011) by changing a digit.

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, 10560 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (1422528).

Almost surely, 2^20924016 is an apocalyptic number.

It is an amenable number.

20924016 is an abundant number, since it is smaller than the sum of its proper divisors (35977104).

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

20924016 is a wasteful number, since it uses less digits than its factorization.

20924016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22973 (or 22967 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20924016 is about 4574.2776478915. The cubic root of 20924016 is about 275.5592629670.

Adding to 20924016 its reverse (61042902), we get a palindrome (81966918).

The spelling of 20924016 in words is "twenty million, nine hundred twenty-four thousand, sixteen".