2031230440020 has 48 divisors (see below), whose sum is σ = 5687527406400. Its totient is φ = 541653624576.

The previous prime is 2031230439941. The next prime is 2031230440091. The reversal of 2031230440020 is 200440321302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4804099 + ... + 5209781.

It is an arithmetic number, because the mean of its divisors is an integer number (118490154300).

Almost surely, 2^{2031230440020} is an apocalyptic number.

2031230440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031230440020 is an abundant number, since it is smaller than the sum of its proper divisors (3656296966380).

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

2031230440020 is a wasteful number, since it uses less digits than its factorization.

2031230440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489144 (or 489142 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 2031230440020 its reverse (200440321302), we get a palindrome (2231670761322).

The spelling of 2031230440020 in words is "two trillion, thirty-one billion, two hundred thirty million, four hundred forty thousand, twenty".