252102386220 has 24 divisors (see below), whose sum is σ = 705886681584. Its totient is φ = 67227302976.

The previous prime is 252102386219. The next prime is 252102386243. The reversal of 252102386220 is 22683201252.

It is a super-3 number, since 3×252102386220³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 2100853159 + ... + 2100853278.

It is an arithmetic number, because the mean of its divisors is an integer number (29411945066).

Almost surely, 2^252102386220 is an apocalyptic number.

252102386220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252102386220 is an abundant number, since it is smaller than the sum of its proper divisors (453784295364).

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

252102386220 is a wasteful number, since it uses less digits than its factorization.

252102386220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201706449 (or 4201706447 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 252102386220 its reverse (22683201252), we get a palindrome (274785587472).

The spelling of 252102386220 in words is "two hundred fifty-two billion, one hundred two million, three hundred eighty-six thousand, two hundred twenty".