2135289020 has 24 divisors (see below), whose sum is σ = 4593477168. Its totient is φ = 833283200.

The previous prime is 2135289017. The next prime is 2135289041. The reversal of 2135289020 is 209825312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301186 + ... + 1302825.

It is an arithmetic number, because the mean of its divisors is an integer number (191394882).

Almost surely, 2^2135289020 is an apocalyptic number.

2135289020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135289020 is an abundant number, since it is smaller than the sum of its proper divisors (2458188148).

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

2135289020 is a wasteful number, since it uses less digits than its factorization.

2135289020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604061 (or 2604059 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2135289020 is about 46209.1876145859. The cubic root of 2135289020 is about 1287.7124332289.

The spelling of 2135289020 in words is "two billion, one hundred thirty-five million, two hundred eighty-nine thousand, twenty".