20331234033140 has 24 divisors (see below), whose sum is σ = 43094615693472. Its totient is φ = 8056488999200.

The previous prime is 20331234033133. The next prime is 20331234033151. The reversal of 20331234033140 is 4133043213302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4750286186 + ... + 4750290465.

It is an arithmetic number, because the mean of its divisors is an integer number (1795608987228).

Almost surely, 2^{20331234033140} is an apocalyptic number.

20331234033140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331234033140 is an abundant number, since it is smaller than the sum of its proper divisors (22763381660332).

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

20331234033140 is a wasteful number, since it uses less digits than its factorization.

20331234033140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9500576767 (or 9500576765 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 20331234033140 its reverse (4133043213302), we get a palindrome (24464277246442).

The spelling of 20331234033140 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-four million, thirty-three thousand, one hundred forty".