20468832 has 24 divisors (see below), whose sum is σ = 53730936. Its totient is φ = 6822912.

The previous prime is 20468831. The next prime is 20468837. The reversal of 20468832 is 23886402.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 20468793 and 20468802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20468831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106513 + ... + 106704.

It is an arithmetic number, because the mean of its divisors is an integer number (2238789).

Almost surely, 2^20468832 is an apocalyptic number.

It is an amenable number.

20468832 is an abundant number, since it is smaller than the sum of its proper divisors (33262104).

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

20468832 is a wasteful number, since it uses less digits than its factorization.

20468832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213230 (or 213222 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 20468832 is about 4524.2493299994. The cubic root of 20468832 is about 273.5464106253.

It can be divided in two parts, 2046 and 8832, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 20468832 in words is "twenty million, four hundred sixty-eight thousand, eight hundred thirty-two".