20232684 has 18 divisors (see below), whose sum is σ = 51143820. Its totient is φ = 6744216.

The previous prime is 20232683. The next prime is 20232713. The reversal of 20232684 is 48623202.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (20232683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280974 + ... + 281045.

Almost surely, 2^20232684 is an apocalyptic number.

It is an amenable number.

20232684 is an abundant number, since it is smaller than the sum of its proper divisors (30911136).

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

20232684 is a wasteful number, since it uses less digits than its factorization.

20232684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562029 (or 562024 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 20232684 is about 4498.0755885156. The cubic root of 20232684 is about 272.4903747687.

Adding to 20232684 its reverse (48623202), we get a palindrome (68855886).

The spelling of 20232684 in words is "twenty million, two hundred thirty-two thousand, six hundred eighty-four".