20110456 has 32 divisors (see below), whose sum is σ = 41310000. Its totient is φ = 9135616.

The previous prime is 20110429. The next prime is 20110481. The reversal of 20110456 is 65401102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 6493.

Almost surely, 2^20110456 is an apocalyptic number.

It is an amenable number.

20110456 is an abundant number, since it is smaller than the sum of its proper divisors (21199544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110456 is a wasteful number, since it uses less digits than its factorization.

20110456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 20110456 is about 4484.4683073916. The cubic root of 20110456 is about 271.9405507330.

Adding to 20110456 its reverse (65401102), we get a palindrome (85511558).

The spelling of 20110456 in words is "twenty million, one hundred ten thousand, four hundred fifty-six".