20345032331322 has 32 divisors (see below), whose sum is σ = 41556427702272. Its totient is φ = 6637287888624.

The previous prime is 20345032331311. The next prime is 20345032331341. The reversal of 20345032331322 is 22313323054302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19867423 + ... + 20866349.

It is an arithmetic number, because the mean of its divisors is an integer number (1298638365696).

Almost surely, 2^{20345032331322} is an apocalyptic number.

20345032331322 is an abundant number, since it is smaller than the sum of its proper divisors (21211395370950).

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

20345032331322 is a wasteful number, since it uses less digits than its factorization.

20345032331322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071202.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 20345032331322 its reverse (22313323054302), we get a palindrome (42658355385624).

The spelling of 20345032331322 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred thirty-one thousand, three hundred twenty-two".