20412032330431 has 8 divisors (see below), whose sum is σ = 24700274416800. Its totient is φ = 16466849611008.

The previous prime is 20412032330357. The next prime is 20412032330479. The reversal of 20412032330431 is 13403323021402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20412032330431 - 2⁹ = 20412032329919 is a prime.

It is a super-2 number, since 2×20412032330431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20412032330431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412032330491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85764841606 + ... + 85764841843.

It is an arithmetic number, because the mean of its divisors is an integer number (3087534302100).

Almost surely, 2^{20412032330431} is an apocalyptic number.

20412032330431 is a deficient number, since it is larger than the sum of its proper divisors (4288242086369).

20412032330431 is a wasteful number, since it uses less digits than its factorization.

20412032330431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171529683473.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20412032330431 its reverse (13403323021402), we get a palindrome (33815355351833).

The spelling of 20412032330431 in words is "twenty trillion, four hundred twelve billion, thirty-two million, three hundred thirty thousand, four hundred thirty-one".