202320151225 has 12 divisors (see below), whose sum is σ = 252708210684. Its totient is φ = 160674686720.

The previous prime is 202320151193. The next prime is 202320151237. The reversal of 202320151225 is 522151023202.

202320151225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3710880889 + 198609270336 = 60917^2 + 445656^2 .

It is not a de Polignac number, because 202320151225 - 2⁵ = 202320151193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202320151225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29532364 + ... + 29539213.

It is an arithmetic number, because the mean of its divisors is an integer number (21059017557).

Almost surely, 2^202320151225 is an apocalyptic number.

202320151225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202320151225 is a deficient number, since it is larger than the sum of its proper divisors (50388059459).

202320151225 is a wasteful number, since it uses less digits than its factorization.

202320151225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59071724 (or 59071719 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 202320151225 its reverse (522151023202), we get a palindrome (724471174427).

The spelling of 202320151225 in words is "two hundred two billion, three hundred twenty million, one hundred fifty-one thousand, two hundred twenty-five".