202043220225 has 144 divisors (see below), whose sum is σ = 427806815040. Its totient is φ = 83193868800.

The previous prime is 202043220209. The next prime is 202043220359. The reversal of 202043220225 is 522022340202.

It is not a de Polignac number, because 202043220225 - 2⁴ = 202043220209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202043220195 and 202043220204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4383399 + ... + 4429251.

It is an arithmetic number, because the mean of its divisors is an integer number (2970880660).

Almost surely, 2^202043220225 is an apocalyptic number.

202043220225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202043220225 is an abundant number, since it is smaller than the sum of its proper divisors (225763594815).

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

202043220225 is a wasteful number, since it uses less digits than its factorization.

202043220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46000 (or 45988 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 202043220225 its reverse (522022340202), we get a palindrome (724065560427).

The spelling of 202043220225 in words is "two hundred two billion, forty-three million, two hundred twenty thousand, two hundred twenty-five".