20054730 has 32 divisors (see below), whose sum is σ = 50963904. Its totient is φ = 5033216.

The previous prime is 20054719. The next prime is 20054743. The reversal of 20054730 is 3745002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20054697 and 20054706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19152 + ... + 20171.

It is an arithmetic number, because the mean of its divisors is an integer number (1592622).

Almost surely, 2^20054730 is an apocalyptic number.

20054730 is an abundant number, since it is smaller than the sum of its proper divisors (30909174).

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

20054730 is a wasteful number, since it uses less digits than its factorization.

20054730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39350.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20054730 is about 4478.2507745771. The cubic root of 20054730 is about 271.6891362766.

Adding to 20054730 its reverse (3745002), we get a palindrome (23799732).

The spelling of 20054730 in words is "twenty million, fifty-four thousand, seven hundred thirty".