20303121311132 has 24 divisors (see below), whose sum is σ = 41040533988720. Its totient is φ = 8685827298560.

The previous prime is 20303121311131. The next prime is 20303121311243. The reversal of 20303121311132 is 23111312130302.

It is a junction number, because it is equal to n+sod(n) for n = 20303121311098 and 20303121311107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303121311131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13571604407 + ... + 13571605902.

It is an arithmetic number, because the mean of its divisors is an integer number (1710022249530).

Almost surely, 2^{20303121311132} is an apocalyptic number.

20303121311132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20303121311132 is an abundant number, since it is smaller than the sum of its proper divisors (20737412677588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20303121311132 is a wasteful number, since it uses less digits than its factorization.

20303121311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27143210341 (or 27143210339 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20303121311132 its reverse (23111312130302), we get a palindrome (43414433441434).

The spelling of 20303121311132 in words is "twenty trillion, three hundred three billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".