20102344 has 16 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 10038480.

The previous prime is 20102321. The next prime is 20102389. The reversal of 20102344 is 44320102.

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, 11257 + ... + 12919.

It is an arithmetic number, because the mean of its divisors is an integer number (2358720).

Almost surely, 2^20102344 is an apocalyptic number.

It is an amenable number.

20102344 is a deficient number, since it is larger than the sum of its proper divisors (17637176).

20102344 is a wasteful number, since it uses less digits than its factorization.

20102344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3176 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20102344 is about 4483.5637611168. The cubic root of 20102344 is about 271.9039813911.

Adding to 20102344 its reverse (44320102), we get a palindrome (64422446).

The spelling of 20102344 in words is "twenty million, one hundred two thousand, three hundred forty-four".