20429024 has 48 divisors (see below), whose sum is σ = 50150016. Its totient is φ = 7958400.

The previous prime is 20429011. The next prime is 20429033. The reversal of 20429024 is 42092402.

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, 1682 + ... + 6609.

It is an arithmetic number, because the mean of its divisors is an integer number (1044792).

Almost surely, 2^20429024 is an apocalyptic number.

It is an amenable number.

20429024 is an abundant number, since it is smaller than the sum of its proper divisors (29720992).

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

20429024 is a wasteful number, since it uses less digits than its factorization.

20429024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319 (or 8311 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20429024 is about 4519.8477850476. The cubic root of 20429024 is about 273.3689635620.

The spelling of 20429024 in words is "twenty million, four hundred twenty-nine thousand, twenty-four".