20000435403232 has 24 divisors (see below), whose sum is σ = 39376992084696. Its totient is φ = 9999929476992.

The previous prime is 20000435403229. The next prime is 20000435403269. The reversal of 20000435403232 is 23230453400002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000435403232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877223 + ... + 10102054.

It is an arithmetic number, because the mean of its divisors is an integer number (1640708003529).

Almost surely, 2^{20000435403232} is an apocalyptic number.

It is an amenable number.

20000435403232 is a deficient number, since it is larger than the sum of its proper divisors (19376556681464).

20000435403232 is a wasteful number, since it uses less digits than its factorization.

20000435403232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014050 (or 18014042 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 20000435403232 its reverse (23230453400002), we get a palindrome (43230888803234).

The spelling of 20000435403232 in words is "twenty trillion, four hundred thirty-five million, four hundred three thousand, two hundred thirty-two".