20102338 has 8 divisors (see below), whose sum is σ = 30182220. Its totient is φ = 10041600.

The previous prime is 20102321. The next prime is 20102389. The reversal of 20102338 is 83320102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18809569 + 1292769 = 4337^2 + 1137^2 .

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, 1783 + ... + 6586.

Almost surely, 2^20102338 is an apocalyptic number.

20102338 is a deficient number, since it is larger than the sum of its proper divisors (10079882).

20102338 is a wasteful number, since it uses less digits than its factorization.

20102338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20102338 is about 4483.5630920062. The cubic root of 20102338 is about 271.9039543391.

The spelling of 20102338 in words is "twenty million, one hundred two thousand, three hundred thirty-eight".