20234056 has 16 divisors (see below), whose sum is σ = 38121840. Its totient is φ = 10068240.

The previous prime is 20234047. The next prime is 20234057. The reversal of 20234056 is 65043202.

It is a happy number.

It is a super-2 number, since 2×20234056² = 818834044422272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20234057) by changing a digit.

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, 4306 + ... + 7681.

It is an arithmetic number, because the mean of its divisors is an integer number (2382615).

Almost surely, 2^20234056 is an apocalyptic number.

It is an amenable number.

20234056 is a deficient number, since it is larger than the sum of its proper divisors (17887784).

20234056 is a wasteful number, since it uses less digits than its factorization.

20234056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12204 (or 12200 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20234056 is about 4498.2280955950. The cubic root of 20234056 is about 272.4965339177.

Adding to 20234056 its reverse (65043202), we get a palindrome (85277258).

The spelling of 20234056 in words is "twenty million, two hundred thirty-four thousand, fifty-six".