20443058 has 8 divisors (see below), whose sum is σ = 30687660. Its totient is φ = 10213840.

The previous prime is 20443039. The next prime is 20443081. The reversal of 20443058 is 85034402.

It can be written as a sum of positive squares in 2 ways, for example, as 16104169 + 4338889 = 4013^2 + 2083^2 .

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

It is a super-3 number, since 3×20443058³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428 + ... + 6408.

Almost surely, 2^20443058 is an apocalyptic number.

20443058 is a deficient number, since it is larger than the sum of its proper divisors (10244602).

20443058 is a wasteful number, since it uses less digits than its factorization.

20443058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 20443058 is about 4521.4000044234. The cubic root of 20443058 is about 273.4315474274.

The spelling of 20443058 in words is "twenty million, four hundred forty-three thousand, fifty-eight".