20244406238 has 8 divisors (see below), whose sum is σ = 34704696432. Its totient is φ = 8676174096.

The previous prime is 20244406219. The next prime is 20244406249. The reversal of 20244406238 is 83260444202.

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 = 20244406198 and 20244406207.

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, 723014495 + ... + 723014522.

It is an arithmetic number, because the mean of its divisors is an integer number (4338087054).

Almost surely, 2^20244406238 is an apocalyptic number.

20244406238 is a deficient number, since it is larger than the sum of its proper divisors (14460290194).

20244406238 is a wasteful number, since it uses less digits than its factorization.

20244406238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446029026.

The product of its (nonzero) digits is 73728, while the sum is 35.

The spelling of 20244406238 in words is "twenty billion, two hundred forty-four million, four hundred six thousand, two hundred thirty-eight".