2135132020 has 48 divisors (see below), whose sum is σ = 5141904768. Its totient is φ = 729532800.

The previous prime is 2135131991. The next prime is 2135132023. The reversal of 2135132020 is 202315312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135132023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14995 + ... + 67045.

It is an arithmetic number, because the mean of its divisors is an integer number (107123016).

Almost surely, 2^2135132020 is an apocalyptic number.

2135132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2135132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570952384).

2135132020 is an abundant number, since it is smaller than the sum of its proper divisors (3006772748).

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

2135132020 is a wasteful number, since it uses less digits than its factorization.

2135132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52360 (or 52358 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2135132020 is about 46207.4887869921. The cubic root of 2135132020 is about 1287.6808721920.

Adding to 2135132020 its reverse (202315312), we get a palindrome (2337447332).

The spelling of 2135132020 in words is "two billion, one hundred thirty-five million, one hundred thirty-two thousand, twenty".