20480232 has 32 divisors (see below), whose sum is σ = 51364800. Its totient is φ = 6804864.

The previous prime is 20480209. The next prime is 20480249. The reversal of 20480232 is 23208402.

It is a junction number, because it is equal to n+sod(n) for n = 20480199 and 20480208.

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, 7428 + ... + 9804.

It is an arithmetic number, because the mean of its divisors is an integer number (1605150).

Almost surely, 2^20480232 is an apocalyptic number.

It is an amenable number.

20480232 is an abundant number, since it is smaller than the sum of its proper divisors (30884568).

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

20480232 is a wasteful number, since it uses less digits than its factorization.

20480232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2741 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20480232 is about 4525.5090321421. The cubic root of 20480232 is about 273.5971845748.

Adding to 20480232 its reverse (23208402), we get a palindrome (43688634).

The spelling of 20480232 in words is "twenty million, four hundred eighty thousand, two hundred thirty-two".