20132135162 has 4 divisors (see below), whose sum is σ = 30198202746. Its totient is φ = 10066067580.

The previous prime is 20132135161. The next prime is 20132135203. The reversal of 20132135162 is 26153123102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19292932201 + 839202961 = 138899^2 + 28969^2 .

It is not an unprimeable number, because it can be changed into a prime (20132135161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033033789 + ... + 5033033792.

Almost surely, 2^20132135162 is an apocalyptic number.

20132135162 is a deficient number, since it is larger than the sum of its proper divisors (10066067584).

20132135162 is a wasteful number, since it uses less digits than its factorization.

20132135162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066067583.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 20132135162 its reverse (26153123102), we get a palindrome (46285258264).

The spelling of 20132135162 in words is "twenty billion, one hundred thirty-two million, one hundred thirty-five thousand, one hundred sixty-two".