20333311412 has 6 divisors (see below), whose sum is σ = 35583294978. Its totient is φ = 10166655704.

The previous prime is 20333311403. The next prime is 20333311421. The reversal of 20333311412 is 21411333302.

It is an interprime number because it is at equal distance from previous prime (20333311403) and next prime (20333311421).

It can be written as a sum of positive squares in only one way, i.e., 17304350116 + 3028961296 = 131546^2 + 55036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2541663923 + ... + 2541663930.

It is an arithmetic number, because the mean of its divisors is an integer number (5930549163).

Almost surely, 2^20333311412 is an apocalyptic number.

It is an amenable number.

20333311412 is a deficient number, since it is larger than the sum of its proper divisors (15249983566).

20333311412 is a wasteful number, since it uses less digits than its factorization.

20333311412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083327857 (or 5083327855 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20333311412 its reverse (21411333302), we get a palindrome (41744644714).

The spelling of 20333311412 in words is "twenty billion, three hundred thirty-three million, three hundred eleven thousand, four hundred twelve".