20032424 has 16 divisors (see below), whose sum is σ = 37665600. Its totient is φ = 9988272.

The previous prime is 20032423. The next prime is 20032457. The reversal of 20032424 is 42423002.

It is a super-2 number, since 2×20032424² = 802596022631552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20032423) 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, 272 + ... + 6335.

It is an arithmetic number, because the mean of its divisors is an integer number (2354100).

Almost surely, 2^20032424 is an apocalyptic number.

It is an amenable number.

20032424 is a deficient number, since it is larger than the sum of its proper divisors (17633176).

20032424 is a wasteful number, since it uses less digits than its factorization.

20032424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6992 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20032424 is about 4475.7596003360. The cubic root of 20032424 is about 271.5883695891.

Adding to 20032424 its reverse (42423002), we get a palindrome (62455426).

The spelling of 20032424 in words is "twenty million, thirty-two thousand, four hundred twenty-four".