252220215102 has 16 divisors (see below), whose sum is σ = 504448847760. Its totient is φ = 84072002112.

The previous prime is 252220215011. The next prime is 252220215109. The reversal of 252220215102 is 201512022252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252220215109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79368 + ... + 714660.

It is an arithmetic number, because the mean of its divisors is an integer number (31528052985).

Almost surely, 2^252220215102 is an apocalyptic number.

252220215102 is an abundant number, since it is smaller than the sum of its proper divisors (252228632658).

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

252220215102 is a wasteful number, since it uses less digits than its factorization.

252220215102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701467.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 252220215102 its reverse (201512022252), we get a palindrome (453732237354).

The spelling of 252220215102 in words is "two hundred fifty-two billion, two hundred twenty million, two hundred fifteen thousand, one hundred two".