2152420200 has 144 divisors (see below), whose sum is σ = 8261242080. Its totient is φ = 491978880.

The previous prime is 2152420181. The next prime is 2152420213. The reversal of 2152420200 is 20242512.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72814 + ... + 98013.

Almost surely, 2^2152420200 is an apocalyptic number.

2152420200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152420200 is an abundant number, since it is smaller than the sum of its proper divisors (6108821880).

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

2152420200 is a wasteful number, since it uses less digits than its factorization.

2152420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170856 (or 170844 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2152420200 is about 46394.1828250051. The cubic root of 2152420200 is about 1291.1469877997.

Adding to 2152420200 its reverse (20242512), we get a palindrome (2172662712).

The spelling of 2152420200 in words is "two billion, one hundred fifty-two million, four hundred twenty thousand, two hundred".