20311162106 has 8 divisors (see below), whose sum is σ = 30467648064. Its totient is φ = 10155279420.

The previous prime is 20311162103. The next prime is 20311162111. The reversal of 20311162106 is 60126111302.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20311162103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54290 + ... + 208733.

It is an arithmetic number, because the mean of its divisors is an integer number (3808456008).

Almost surely, 2^20311162106 is an apocalyptic number.

20311162106 is a deficient number, since it is larger than the sum of its proper divisors (10156485958).

20311162106 is a wasteful number, since it uses less digits than its factorization.

20311162106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301636.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 20311162106 its reverse (60126111302), we get a palindrome (80437273408).

The spelling of 20311162106 in words is "twenty billion, three hundred eleven million, one hundred sixty-two thousand, one hundred six".