20412192 has 24 divisors (see below), whose sum is σ = 53582256. Its totient is φ = 6804032.

The previous prime is 20412191. The next prime is 20412193. The reversal of 20412192 is 29121402.

It is an interprime number because it is at equal distance from previous prime (20412191) and next prime (20412193).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (20412191) 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, 106218 + ... + 106409.

It is an arithmetic number, because the mean of its divisors is an integer number (2232594).

Almost surely, 2^20412192 is an apocalyptic number.

It is an amenable number.

20412192 is an abundant number, since it is smaller than the sum of its proper divisors (33170064).

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

20412192 is a wasteful number, since it uses less digits than its factorization.

20412192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212640 (or 212632 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 20412192 is about 4517.9853917427. The cubic root of 20412192 is about 273.2938643519.

Adding to 20412192 its reverse (29121402), we get a palindrome (49533594).

The spelling of 20412192 in words is "twenty million, four hundred twelve thousand, one hundred ninety-two".