20423330323032 has 64 divisors (see below), whose sum is σ = 62841016385280. Its totient is φ = 5386372831872.

The previous prime is 20423330323027. The next prime is 20423330323061. The reversal of 20423330323032 is 23032303332402.

It is a happy number.

It is a super-2 number, since 2×20423330323032² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4675668678 + ... + 4675673045.

It is an arithmetic number, because the mean of its divisors is an integer number (981890881020).

Almost surely, 2^{20423330323032} is an apocalyptic number.

It is an amenable number.

20423330323032 is an abundant number, since it is smaller than the sum of its proper divisors (42417686062248).

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

20423330323032 is a wasteful number, since it uses less digits than its factorization.

20423330323032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351341752 (or 9351341748 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 30.

Adding to 20423330323032 its reverse (23032303332402), we get a palindrome (43455633655434).

The spelling of 20423330323032 in words is "twenty trillion, four hundred twenty-three billion, three hundred thirty million, three hundred twenty-three thousand, thirty-two".