20054966 has 4 divisors (see below), whose sum is σ = 30082452. Its totient is φ = 10027482.

The previous prime is 20054963. The next prime is 20054977. The reversal of 20054966 is 66945002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20054966² = 804403322522312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5013740 + ... + 5013743.

It is an arithmetic number, because the mean of its divisors is an integer number (7520613).

Almost surely, 2^20054966 is an apocalyptic number.

20054966 is a deficient number, since it is larger than the sum of its proper divisors (10027486).

20054966 is a wasteful number, since it uses less digits than its factorization.

20054966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027485.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 20054966 is about 4478.2771240735. The cubic root of 20054966 is about 271.6902020000.

Adding to 20054966 its reverse (66945002), we get a palindrome (86999968).

The spelling of 20054966 in words is "twenty million, fifty-four thousand, nine hundred sixty-six".