20054272 has 108 divisors (see below), whose sum is σ = 49840896. Its totient is φ = 7879680.

The previous prime is 20054269. The next prime is 20054273. The reversal of 20054272 is 27245002.

It is not an unprimeable number, because it can be changed into a prime (20054273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646897 + ... + 646927.

Almost surely, 2^20054272 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 20054272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24920448).

20054272 is an abundant number, since it is smaller than the sum of its proper divisors (29786624).

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

20054272 is an equidigital number, since it uses as much as digits as its factorization.

20054272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 20054272 is about 4478.1996382475. The cubic root of 20054272 is about 271.6870680268.

Adding to 20054272 its reverse (27245002), we get a palindrome (47299274).

The spelling of 20054272 in words is "twenty million, fifty-four thousand, two hundred seventy-two".