20311333211324 has 12 divisors (see below), whose sum is σ = 35804284457424. Its totient is φ = 10081537652064.

The previous prime is 20311333211171. The next prime is 20311333211381. The reversal of 20311333211324 is 42311233311302.

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, 18532237784 + ... + 18532238879.

It is an arithmetic number, because the mean of its divisors is an integer number (2983690371452).

Almost surely, 2^{20311333211324} is an apocalyptic number.

It is an amenable number.

20311333211324 is a deficient number, since it is larger than the sum of its proper divisors (15492951246100).

20311333211324 is a wasteful number, since it uses less digits than its factorization.

20311333211324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37064476804 (or 37064476802 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20311333211324 its reverse (42311233311302), we get a palindrome (62622566522626).

The spelling of 20311333211324 in words is "twenty trillion, three hundred eleven billion, three hundred thirty-three million, two hundred eleven thousand, three hundred twenty-four".