20432442320412 has 48 divisors (see below), whose sum is σ = 48009681764352. Its totient is φ = 6763157069760.

The previous prime is 20432442320347. The next prime is 20432442320473. The reversal of 20432442320412 is 21402324423402.

It is a happy number.

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, 443164 + ... + 6407907.

It is an arithmetic number, because the mean of its divisors is an integer number (1000201703424).

Almost surely, 2^{20432442320412} is an apocalyptic number.

It is an amenable number.

20432442320412 is an abundant number, since it is smaller than the sum of its proper divisors (27577239443940).

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

20432442320412 is a wasteful number, since it uses less digits than its factorization.

20432442320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852818 (or 6852816 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20432442320412 its reverse (21402324423402), we get a palindrome (41834766743814).

The spelling of 20432442320412 in words is "twenty trillion, four hundred thirty-two billion, four hundred forty-two million, three hundred twenty thousand, four hundred twelve".