20235043155532 has 12 divisors (see below), whose sum is σ = 35411357318176. Its totient is φ = 10117512493200.

The previous prime is 20235043155463. The next prime is 20235043155533. The reversal of 20235043155532 is 23555134053202.

It is not an unprimeable number, because it can be changed into a prime (20235043155533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6530782 + ... + 9117082.

Almost surely, 2^{20235043155532} is an apocalyptic number.

It is an amenable number.

20235043155532 is a deficient number, since it is larger than the sum of its proper divisors (15176314162644).

20235043155532 is a wasteful number, since it uses less digits than its factorization.

20235043155532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4542288 (or 4542286 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 20235043155532 in words is "twenty trillion, two hundred thirty-five billion, forty-three million, one hundred fifty-five thousand, five hundred thirty-two".