20131300202432 has 28 divisors (see below), whose sum is σ = 40092265657320. Its totient is φ = 10029312005376.

The previous prime is 20131300202417. The next prime is 20131300202443. The reversal of 20131300202432 is 23420200313102.

It is a junction number, because it is equal to n+sod(n) for n = 20131300202398 and 20131300202407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567764882 + ... + 567800337.

Almost surely, 2^{20131300202432} is an apocalyptic number.

It is an amenable number.

20131300202432 is a deficient number, since it is larger than the sum of its proper divisors (19960965454888).

20131300202432 is a wasteful number, since it uses less digits than its factorization.

20131300202432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135565508 (or 1135565498 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20131300202432 its reverse (23420200313102), we get a palindrome (43551500515534).

The spelling of 20131300202432 in words is "twenty trillion, one hundred thirty-one billion, three hundred million, two hundred two thousand, four hundred thirty-two".