20056034 has 4 divisors (see below), whose sum is σ = 30084054. Its totient is φ = 10028016.

The previous prime is 20056027. The next prime is 20056087. The reversal of 20056034 is 43065002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43065002 = 2 ⋅21532501.

It can be written as a sum of positive squares in only one way, i.e., 14462809 + 5593225 = 3803^2 + 2365^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20055997 and 20056015.

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 as a sum of consecutive naturals, namely, 5014007 + ... + 5014010.

Almost surely, 2^20056034 is an apocalyptic number.

20056034 is a deficient number, since it is larger than the sum of its proper divisors (10028020).

20056034 is a wasteful number, since it uses less digits than its factorization.

20056034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028019.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20056034 is about 4478.3963647717. The cubic root of 20056034 is about 271.6950247454.

The spelling of 20056034 in words is "twenty million, fifty-six thousand, thirty-four".