20183402 has 8 divisors (see below), whose sum is σ = 30315936. Its totient is φ = 10078092.

The previous prime is 20183393. The next prime is 20183417. The reversal of 20183402 is 20438102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4838 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (3789492).

Almost surely, 2^20183402 is an apocalyptic number.

20183402 is a deficient number, since it is larger than the sum of its proper divisors (10132534).

20183402 is a wasteful number, since it uses less digits than its factorization.

20183402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13612.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20183402 is about 4492.5941281180. The cubic root of 20183402 is about 272.2689543415.

The spelling of 20183402 in words is "twenty million, one hundred eighty-three thousand, four hundred two".