2031320032020 has 96 divisors (see below), whose sum is σ = 6365127753600. Its totient is φ = 537788305152.

The previous prime is 2031320032019. The next prime is 2031320032031. The reversal of 2031320032020 is 202300231302.

It is a happy number.

2031320032020 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 320 + 0 + 320 + 20 = 666.

It is a super-2 number, since 2×2031320032020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2031320031984 and 2031320032002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13456249 + ... + 13606368.

It is an arithmetic number, because the mean of its divisors is an integer number (66303414100).

Almost surely, 2^{2031320032020} is an apocalyptic number.

2031320032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031320032020 is an abundant number, since it is smaller than the sum of its proper divisors (4333807721580).

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

2031320032020 is a wasteful number, since it uses less digits than its factorization.

2031320032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27062774 (or 27062766 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 2031320032020 its reverse (202300231302), we get a palindrome (2233620263322).

The spelling of 2031320032020 in words is "two trillion, thirty-one billion, three hundred twenty million, thirty-two thousand, twenty".