20346641561432 has 32 divisors (see below), whose sum is σ = 38242740135600. Its totient is φ = 10148589110400.

The previous prime is 20346641561413. The next prime is 20346641561453. The reversal of 20346641561432 is 23416514664302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13369919 + ... + 14813777.

Almost surely, 2^{20346641561432} is an apocalyptic number.

It is an amenable number.

20346641561432 is a deficient number, since it is larger than the sum of its proper divisors (17896098574168).

20346641561432 is a wasteful number, since it uses less digits than its factorization.

20346641561432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448147 (or 1448143 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

The spelling of 20346641561432 in words is "twenty trillion, three hundred forty-six billion, six hundred forty-one million, five hundred sixty-one thousand, four hundred thirty-two".