20562412 has 12 divisors (see below), whose sum is σ = 38752336. Its totient is φ = 9490320.

The previous prime is 20562407. The next prime is 20562419. The reversal of 20562412 is 21426502.

It is not an unprimeable number, because it can be changed into a prime (20562419) by changing a digit.

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, 197664 + ... + 197767.

Almost surely, 2^20562412 is an apocalyptic number.

It is an amenable number.

20562412 is a deficient number, since it is larger than the sum of its proper divisors (18189924).

20562412 is a wasteful number, since it uses less digits than its factorization.

20562412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395448 (or 395446 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20562412 is about 4534.5795835998. The cubic root of 20562412 is about 273.9626460880.

Adding to 20562412 its reverse (21426502), we get a palindrome (41988914).

The spelling of 20562412 in words is "twenty million, five hundred sixty-two thousand, four hundred twelve".