20027042 has 8 divisors (see below), whose sum is σ = 34332096. Its totient is φ = 8583012.

The previous prime is 20026991. The next prime is 20027069. The reversal of 20027042 is 24072002.

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

It is a super-2 number, since 2×20027042² = 802164822539528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20027042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715238 + ... + 715265.

It is an arithmetic number, because the mean of its divisors is an integer number (4291512).

Almost surely, 2^20027042 is an apocalyptic number.

20027042 is a deficient number, since it is larger than the sum of its proper divisors (14305054).

20027042 is a wasteful number, since it uses less digits than its factorization.

20027042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430512.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 20027042 is about 4475.1583212217. The cubic root of 20027042 is about 271.5640453648.

Adding to 20027042 its reverse (24072002), we get a palindrome (44099044).

The spelling of 20027042 in words is "twenty million, twenty-seven thousand, forty-two".