20120332404343 has 32 divisors (see below), whose sum is σ = 21173683507200. Its totient is φ = 19094708707200.

The previous prime is 20120332404313. The next prime is 20120332404383. The reversal of 20120332404343 is 34340423302102.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120332404343 is a prime.

It is a super-2 number, since 2×20120332404343² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120332404313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162391405 + ... + 162515257.

It is an arithmetic number, because the mean of its divisors is an integer number (661677609600).

Almost surely, 2^{20120332404343} is an apocalyptic number.

20120332404343 is a deficient number, since it is larger than the sum of its proper divisors (1053351102857).

20120332404343 is a wasteful number, since it uses less digits than its factorization.

20120332404343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124423.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 20120332404343 its reverse (34340423302102), we get a palindrome (54460755706445).

The spelling of 20120332404343 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-two million, four hundred four thousand, three hundred forty-three".