20650982 has 8 divisors (see below), whose sum is σ = 33792552. Its totient is φ = 9386800.

The previous prime is 20650979. The next prime is 20650997. The reversal of 20650982 is 28905602.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469319 + ... + 469362.

It is an arithmetic number, because the mean of its divisors is an integer number (4224069).

Almost surely, 2^20650982 is an apocalyptic number.

20650982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20650982 is a deficient number, since it is larger than the sum of its proper divisors (13141570).

20650982 is a wasteful number, since it uses less digits than its factorization.

20650982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938694.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 20650982 is about 4544.3351548934. The cubic root of 20650982 is about 274.3554358606.

The spelling of 20650982 in words is "twenty million, six hundred fifty thousand, nine hundred eighty-two".