20492323311 has 8 divisors (see below), whose sum is σ = 28930338864. Its totient is φ = 12857928320.

The previous prime is 20492323307. The next prime is 20492323339. The reversal of 20492323311 is 11332329402.

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

It is a cyclic number.

It is not a de Polignac number, because 20492323311 - 2² = 20492323307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20492323361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200905080 + ... + 200905181.

It is an arithmetic number, because the mean of its divisors is an integer number (3616292358).

Almost surely, 2^20492323311 is an apocalyptic number.

20492323311 is a deficient number, since it is larger than the sum of its proper divisors (8438015553).

20492323311 is a wasteful number, since it uses less digits than its factorization.

20492323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401810281.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 20492323311 in words is "twenty billion, four hundred ninety-two million, three hundred twenty-three thousand, three hundred eleven".