20340200432224 has 12 divisors (see below), whose sum is σ = 40044769601004. Its totient is φ = 10170100216096.

The previous prime is 20340200432143. The next prime is 20340200432243. The reversal of 20340200432224 is 42223400204302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20340200432192 and 20340200432201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317815631722 + ... + 317815631785.

It is an arithmetic number, because the mean of its divisors is an integer number (3337064133417).

Almost surely, 2^{20340200432224} is an apocalyptic number.

It is an amenable number.

20340200432224 is a deficient number, since it is larger than the sum of its proper divisors (19704569168780).

20340200432224 is an equidigital number, since it uses as much as digits as its factorization.

20340200432224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635631263517 (or 635631263509 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20340200432224 its reverse (42223400204302), we get a palindrome (62563600636526).

The spelling of 20340200432224 in words is "twenty trillion, three hundred forty billion, two hundred million, four hundred thirty-two thousand, two hundred twenty-four".