20562016 has 12 divisors (see below), whose sum is σ = 40481532. Its totient is φ = 10280992.

The previous prime is 20562011. The next prime is 20562029. The reversal of 20562016 is 61026502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20562011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321250 + ... + 321313.

It is an arithmetic number, because the mean of its divisors is an integer number (3373461).

Almost surely, 2^20562016 is an apocalyptic number.

It is an amenable number.

20562016 is a deficient number, since it is larger than the sum of its proper divisors (19919516).

20562016 is an equidigital number, since it uses as much as digits as its factorization.

20562016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642573 (or 642565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20562016 is about 4534.5359189227. The cubic root of 20562016 is about 273.9608873789.

Adding to 20562016 its reverse (61026502), we get a palindrome (81588518).

The spelling of 20562016 in words is "twenty million, five hundred sixty-two thousand, sixteen".