20183412 has 24 divisors (see below), whose sum is σ = 47289312. Its totient is φ = 6700000.

The previous prime is 20183393. The next prime is 20183417. The reversal of 20183412 is 21438102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20183417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339 + ... + 6362.

It is an arithmetic number, because the mean of its divisors is an integer number (1970388).

Almost surely, 2^20183412 is an apocalyptic number.

It is an amenable number.

20183412 is an abundant number, since it is smaller than the sum of its proper divisors (27105900).

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

20183412 is a wasteful number, since it uses less digits than its factorization.

20183412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20183412 is about 4492.5952410606. The cubic root of 20183412 is about 272.2689993073.

The spelling of 20183412 in words is "twenty million, one hundred eighty-three thousand, four hundred twelve".