20435132160 has 108 divisors (see below), whose sum is σ = 70703468472. Its totient is φ = 5449365504.

The previous prime is 20435132129. The next prime is 20435132189. The reversal of 20435132160 is 6123153402.

20435132160 is a `hidden beast` number, since 2 + 0 + 435 + 13 + 216 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 875422 + ... + 898461.

Almost surely, 2^20435132160 is an apocalyptic number.

20435132160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20435132160 is an abundant number, since it is smaller than the sum of its proper divisors (50268336312).

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

20435132160 is a wasteful number, since it uses less digits than its factorization.

20435132160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773910 (or 1773893 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20435132160 its reverse (6123153402), we get a palindrome (26558285562).

The spelling of 20435132160 in words is "twenty billion, four hundred thirty-five million, one hundred thirty-two thousand, one hundred sixty".