20933230238 has 8 divisors (see below), whose sum is σ = 31452267600. Its totient is φ = 10449141040.

The previous prime is 20933230229. The next prime is 20933230243. The reversal of 20933230238 is 83203233902.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20933230198 and 20933230207.

It is a congruent number.

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, 8735543 + ... + 8737938.

It is an arithmetic number, because the mean of its divisors is an integer number (3931533450).

Almost surely, 2^20933230238 is an apocalyptic number.

20933230238 is a deficient number, since it is larger than the sum of its proper divisors (10519037362).

20933230238 is a wasteful number, since it uses less digits than its factorization.

20933230238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17474082.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 20933230238 in words is "twenty billion, nine hundred thirty-three million, two hundred thirty thousand, two hundred thirty-eight".