20014450056 has 112 divisors (see below), whose sum is σ = 56337941760. Its totient is φ = 6662826720.

The previous prime is 20014450019. The next prime is 20014450097. The reversal of 20014450056 is 65005441002.

20014450056 is a `hidden beast` number, since 200 + 1 + 4 + 450 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×20014450056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5777781 + ... + 5781243.

Almost surely, 2^20014450056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20014450056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28168970880).

20014450056 is an abundant number, since it is smaller than the sum of its proper divisors (36323491704).

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

20014450056 is an equidigital number, since it uses as much as digits as its factorization.

20014450056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20014450056 its reverse (65005441002), we get a palindrome (85019891058).

The spelling of 20014450056 in words is "twenty billion, fourteen million, four hundred fifty thousand, fifty-six".