20607212 has 12 divisors (see below), whose sum is σ = 36263136. Its totient is φ = 10246320.

The previous prime is 20607193. The next prime is 20607227. The reversal of 20607212 is 21270602.

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, 13508 + ... + 14955.

It is an arithmetic number, because the mean of its divisors is an integer number (3021928).

Almost surely, 2^20607212 is an apocalyptic number.

It is an amenable number.

20607212 is a deficient number, since it is larger than the sum of its proper divisors (15655924).

20607212 is a wasteful number, since it uses less digits than its factorization.

20607212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28648 (or 28646 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20607212 is about 4539.5167143651. The cubic root of 20607212 is about 274.1614655608.

Adding to 20607212 its reverse (21270602), we get a palindrome (41877814).

The spelling of 20607212 in words is "twenty million, six hundred seven thousand, two hundred twelve".