20432203155135 has 64 divisors (see below), whose sum is σ = 38293436252160. Its totient is φ = 10321277541120.

The previous prime is 20432203155121. The next prime is 20432203155167. The reversal of 20432203155135 is 53155130223402.

20432203155135 is a `hidden beast` number, since 2 + 0 + 4 + 322 + 0 + 315 + 5 + 13 + 5 = 666.

It is not a de Polignac number, because 20432203155135 - 2⁸ = 20432203154879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20432203155135.

It is a congruent number.

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, 51742102 + ... + 52135491.

It is an arithmetic number, because the mean of its divisors is an integer number (598334941440).

Almost surely, 2^{20432203155135} is an apocalyptic number.

20432203155135 is a deficient number, since it is larger than the sum of its proper divisors (17861233097025).

20432203155135 is a wasteful number, since it uses less digits than its factorization.

20432203155135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103877685 (or 103877679 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 20432203155135 its reverse (53155130223402), we get a palindrome (73587333378537).

The spelling of 20432203155135 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, one hundred fifty-five thousand, one hundred thirty-five".