20312445434332 has 48 divisors (see below), whose sum is σ = 37138920829920. Its totient is φ = 9708316128000.

The previous prime is 20312445434317. The next prime is 20312445434353. The reversal of 20312445434332 is 23343454421302.

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, 230960407 + ... + 231048337.

It is an arithmetic number, because the mean of its divisors is an integer number (773727517290).

Almost surely, 2^{20312445434332} is an apocalyptic number.

It is an amenable number.

20312445434332 is a deficient number, since it is larger than the sum of its proper divisors (16826475395588).

20312445434332 is a wasteful number, since it uses less digits than its factorization.

20312445434332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107782 (or 107780 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 20312445434332 its reverse (23343454421302), we get a palindrome (43655899855634).

The spelling of 20312445434332 in words is "twenty trillion, three hundred twelve billion, four hundred forty-five million, four hundred thirty-four thousand, three hundred thirty-two".