2131334467020 has 144 divisors (see below), whose sum is σ = 7053793856928. Its totient is φ = 516612833280.

The previous prime is 2131334467001. The next prime is 2131334467039. The reversal of 2131334467020 is 207644331312.

2131334467020 is a `hidden beast` number, since 2 + 13 + 133 + 446 + 70 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2131334467001) and next prime (2131334467039).

It is a super-2 number, since 2×2131334467020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 14374302 + ... + 14521818.

It is an arithmetic number, because the mean of its divisors is an integer number (48984679562).

Almost surely, 2^{2131334467020} is an apocalyptic number.

2131334467020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131334467020 is an abundant number, since it is smaller than the sum of its proper divisors (4922459389908).

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

2131334467020 is a wasteful number, since it uses less digits than its factorization.

2131334467020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154840 (or 154835 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 2131334467020 its reverse (207644331312), we get a palindrome (2338978798332).

The spelling of 2131334467020 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-four million, four hundred sixty-seven thousand, twenty".