201033420225 has 72 divisors (see below), whose sum is σ = 366255787296. Its totient is φ = 97225920000.

The previous prime is 201033420173. The next prime is 201033420277. The reversal of 201033420225 is 522024330102.

201033420225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201033420173) and next prime (201033420277).

It is not a de Polignac number, because 201033420225 - 2²⁰ = 201032371649 is a prime.

It is a super-2 number, since 2×201033420225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201033420195 and 201033420204.

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 71 ways as a sum of consecutive naturals, for example, 3611454 + ... + 3666696.

Almost surely, 2^201033420225 is an apocalyptic number.

201033420225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201033420225 is a deficient number, since it is larger than the sum of its proper divisors (165222367071).

201033420225 is a wasteful number, since it uses less digits than its factorization.

201033420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55679 (or 55663 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 201033420225 its reverse (522024330102), we get a palindrome (723057750327).

The spelling of 201033420225 in words is "two hundred one billion, thirty-three million, four hundred twenty thousand, two hundred twenty-five".