20002320032 has 48 divisors (see below), whose sum is σ = 40211036712. Its totient is φ = 9792000000.

The previous prime is 20002319947. The next prime is 20002320067. The reversal of 20002320032 is 23002320002.

It can be written as a sum of positive squares in 4 ways, for example, as 19893409936 + 108910096 = 141044^2 + 10436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20002319989 and 20002320016.

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, 288782 + ... + 351282.

Almost surely, 2^20002320032 is an apocalyptic number.

It is an amenable number.

20002320032 is an abundant number, since it is smaller than the sum of its proper divisors (20208716680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20002320032 is a wasteful number, since it uses less digits than its factorization.

20002320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62721 (or 62713 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20002320032 its reverse (23002320002), we get a palindrome (43004640034).

It can be divided in two parts, 20002 and 320032, that multiplied together give a square (6401280064 = 80008²).

The spelling of 20002320032 in words is "twenty billion, two million, three hundred twenty thousand, thirty-two".