20366412 has 24 divisors (see below), whose sum is σ = 51842112. Its totient is φ = 6171600.

The previous prime is 20366399. The next prime is 20366413. The reversal of 20366412 is 21466302.

It is not an unprimeable number, because it can be changed into a prime (20366413) 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, 77014 + ... + 77277.

It is an arithmetic number, because the mean of its divisors is an integer number (2160088).

Almost surely, 2^20366412 is an apocalyptic number.

20366412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20366412 is an abundant number, since it is smaller than the sum of its proper divisors (31475700).

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

20366412 is a wasteful number, since it uses less digits than its factorization.

20366412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154309 (or 154307 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20366412 is about 4512.9161303973. The cubic root of 20366412 is about 273.0893989977.

It can be divided in two parts, 2036 and 6412, that added together give a palindrome (8448).

The spelling of 20366412 in words is "twenty million, three hundred sixty-six thousand, four hundred twelve".