20054633 has 12 divisors (see below), whose sum is σ = 21483828. Its totient is φ = 18714240.

The previous prime is 20054627. The next prime is 20054647. The reversal of 20054633 is 33645002.

It can be written as a sum of positive squares in 2 ways, for example, as 3829849 + 16224784 = 1957^2 + 4028^2 .

It is a de Polignac number, because none of the positive numbers 2^k-20054633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20054599 and 20054608.

It is not an unprimeable number, because it can be changed into a prime (20054603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25973 + ... + 26733.

It is an arithmetic number, because the mean of its divisors is an integer number (1790319).

Almost surely, 2^20054633 is an apocalyptic number.

It is an amenable number.

20054633 is a deficient number, since it is larger than the sum of its proper divisors (1429195).

20054633 is an equidigital number, since it uses as much as digits as its factorization.

20054633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 20054633 is about 4478.2399444425. The cubic root of 20054633 is about 271.6886982438.

Adding to 20054633 its reverse (33645002), we get a palindrome (53699635).

The spelling of 20054633 in words is "twenty million, fifty-four thousand, six hundred thirty-three".