20063432345 has 64 divisors (see below), whose sum is σ = 27546697728. Its totient is φ = 13896480000.

The previous prime is 20063432339. The next prime is 20063432357. The reversal of 20063432345 is 54323436002.

It is not a de Polignac number, because 20063432345 - 2²⁰ = 20062383769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45289694 + ... + 45290136.

It is an arithmetic number, because the mean of its divisors is an integer number (430417152).

Almost surely, 2^20063432345 is an apocalyptic number.

It is an amenable number.

20063432345 is a deficient number, since it is larger than the sum of its proper divisors (7483265383).

20063432345 is a wasteful number, since it uses less digits than its factorization.

20063432345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20063432345 its reverse (54323436002), we get a palindrome (74386868347).

The spelling of 20063432345 in words is "twenty billion, sixty-three million, four hundred thirty-two thousand, three hundred forty-five".