252220211140 has 48 divisors (see below), whose sum is σ = 555644033280. Its totient is φ = 96037208960.

The previous prime is 252220211093. The next prime is 252220211189. The reversal of 252220211140 is 41112022252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3021232 + ... + 3103591.

It is an arithmetic number, because the mean of its divisors is an integer number (11575917360).

Almost surely, 2^252220211140 is an apocalyptic number.

252220211140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252220211140 is an abundant number, since it is smaller than the sum of its proper divisors (303423822140).

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

252220211140 is a wasteful number, since it uses less digits than its factorization.

252220211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6124932 (or 6124930 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 252220211140 its reverse (41112022252), we get a palindrome (293332233392).

The spelling of 252220211140 in words is "two hundred fifty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred forty".