20865830326 has 8 divisors (see below), whose sum is σ = 34144086024. Its totient is φ = 9484468320.

The previous prime is 20865830317. The next prime is 20865830333. The reversal of 20865830326 is 62303856802.

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

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, 474223395 + ... + 474223438.

It is an arithmetic number, because the mean of its divisors is an integer number (4268010753).

Almost surely, 2^20865830326 is an apocalyptic number.

20865830326 is a deficient number, since it is larger than the sum of its proper divisors (13278255698).

20865830326 is a wasteful number, since it uses less digits than its factorization.

20865830326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948446846.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 20865830326 in words is "twenty billion, eight hundred sixty-five million, eight hundred thirty thousand, three hundred twenty-six".