20366612 has 24 divisors (see below), whose sum is σ = 43130304. Its totient is φ = 8214912.

The previous prime is 20366611. The next prime is 20366639. The reversal of 20366612 is 21666302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20366611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20918 + ... + 21869.

It is an arithmetic number, because the mean of its divisors is an integer number (1797096).

Almost surely, 2^20366612 is an apocalyptic number.

It is an amenable number.

20366612 is an abundant number, since it is smaller than the sum of its proper divisors (22763692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20366612 is a wasteful number, since it uses less digits than its factorization.

20366612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42815 (or 42813 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 20366612 is about 4512.9382889643. The cubic root of 20366612 is about 273.0902929156.

The spelling of 20366612 in words is "twenty million, three hundred sixty-six thousand, six hundred twelve".