20554982 has 8 divisors (see below), whose sum is σ = 35237136. Its totient is φ = 8809272.

The previous prime is 20554973. The next prime is 20554991. The reversal of 20554982 is 28945502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20554973) and next prime (20554991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734093 + ... + 734120.

It is an arithmetic number, because the mean of its divisors is an integer number (4404642).

Almost surely, 2^20554982 is an apocalyptic number.

20554982 is a deficient number, since it is larger than the sum of its proper divisors (14682154).

20554982 is a wasteful number, since it uses less digits than its factorization.

20554982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468222.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 20554982 is about 4533.7602495059. The cubic root of 20554982 is about 273.9296443227.

The spelling of 20554982 in words is "twenty million, five hundred fifty-four thousand, nine hundred eighty-two".