2152535020 has 24 divisors (see below), whose sum is σ = 4521195504. Its totient is φ = 860847936.

The previous prime is 2152535009. The next prime is 2152535039. The reversal of 2152535020 is 205352512.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 195379 + ... + 206101.

It is an arithmetic number, because the mean of its divisors is an integer number (188383146).

Almost surely, 2^2152535020 is an apocalyptic number.

2152535020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152535020 is an abundant number, since it is smaller than the sum of its proper divisors (2368660484).

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

2152535020 is a wasteful number, since it uses less digits than its factorization.

2152535020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20769 (or 20767 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2152535020 is about 46395.4202481236. The cubic root of 2152535020 is about 1291.1699459658.

Adding to 2152535020 its reverse (205352512), we get a palindrome (2357887532).

The spelling of 2152535020 in words is "two billion, one hundred fifty-two million, five hundred thirty-five thousand, twenty".