20424034 has 8 divisors (see below), whose sum is σ = 30813660. Its totient is φ = 10152816.

The previous prime is 20423989. The next prime is 20424043. The reversal of 20424034 is 43042402.

It can be written as a sum of positive squares in 2 ways, for example, as 20385225 + 38809 = 4515^2 + 197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29169 + ... + 29860.

Almost surely, 2^20424034 is an apocalyptic number.

20424034 is a deficient number, since it is larger than the sum of its proper divisors (10389626).

20424034 is a wasteful number, since it uses less digits than its factorization.

20424034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59204.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20424034 is about 4519.2957415951. The cubic root of 20424034 is about 273.3467040191.

Adding to 20424034 its reverse (43042402), we get a palindrome (63466436).

The spelling of 20424034 in words is "twenty million, four hundred twenty-four thousand, thirty-four".