2031432444020 has 72 divisors (see below), whose sum is σ = 5178260150784. Its totient is φ = 666208893504.

The previous prime is 2031432444017. The next prime is 2031432444037. The reversal of 2031432444020 is 204442341302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45040292 + ... + 45085371.

It is an arithmetic number, because the mean of its divisors is an integer number (71920279872).

Almost surely, 2^{2031432444020} is an apocalyptic number.

2031432444020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031432444020 is an abundant number, since it is smaller than the sum of its proper divisors (3146827706764).

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

2031432444020 is a wasteful number, since it uses less digits than its factorization.

2031432444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90125709 (or 90125700 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2031432444020 its reverse (204442341302), we get a palindrome (2235874785322).

The spelling of 2031432444020 in words is "two trillion, thirty-one billion, four hundred thirty-two million, four hundred forty-four thousand, twenty".