20232432 has 120 divisors (see below), whose sum is σ = 63196848. Its totient is φ = 5990400.

The previous prime is 20232427. The next prime is 20232437. The reversal of 20232432 is 23423202.

20232432 is a `hidden beast` number, since 2 + 0 + 232 + 432 = 666.

It is an interprime number because it is at equal distance from previous prime (20232427) and next prime (20232437).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83832 + ... + 84072.

Almost surely, 2^20232432 is an apocalyptic number.

20232432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31598424).

20232432 is an abundant number, since it is smaller than the sum of its proper divisors (42964416).

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

20232432 is a wasteful number, since it uses less digits than its factorization.

20232432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20232432 is about 4498.0475764491. The cubic root of 20232432 is about 272.4892434662.

Adding to 20232432 its reverse (23423202), we get a palindrome (43655634).

The spelling of 20232432 in words is "twenty million, two hundred thirty-two thousand, four hundred thirty-two".