20045310536 has 48 divisors (see below), whose sum is σ = 39748968000. Its totient is φ = 9475583328.

The previous prime is 20045310529. The next prime is 20045310539. The reversal of 20045310536 is 63501354002.

It is a junction number, because it is equal to n+sod(n) for n = 20045310499 and 20045310508.

It is not an unprimeable number, because it can be changed into a prime (20045310539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1445765 + ... + 1459563.

It is an arithmetic number, because the mean of its divisors is an integer number (828103500).

Almost surely, 2^20045310536 is an apocalyptic number.

It is an amenable number.

20045310536 is a deficient number, since it is larger than the sum of its proper divisors (19703657464).

20045310536 is a wasteful number, since it uses less digits than its factorization.

20045310536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346 (or 14323 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 20045310536 its reverse (63501354002), we get a palindrome (83546664538).

The spelling of 20045310536 in words is "twenty billion, forty-five million, three hundred ten thousand, five hundred thirty-six".