20049056 has 12 divisors (see below), whose sum is σ = 39471642. Its totient is φ = 10024512.

The previous prime is 20049049. The next prime is 20049067. The reversal of 20049056 is 65094002.

It can be written as a sum of positive squares in only one way, i.e., 19536400 + 512656 = 4420^2 + 716^2 .

It is a super-2 number, since 2×20049056² = 803929292982272, which contains 22 as substring.

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, 313235 + ... + 313298.

Almost surely, 2^20049056 is an apocalyptic number.

It is an amenable number.

20049056 is a deficient number, since it is larger than the sum of its proper divisors (19422586).

20049056 is an equidigital number, since it uses as much as digits as its factorization.

20049056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626543 (or 626535 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 20049056 is about 4477.6172234795. The cubic root of 20049056 is about 271.6635112401.

The spelling of 20049056 in words is "twenty million, forty-nine thousand, fifty-six".