200253425021 has 24 divisors (see below), whose sum is σ = 217933499520. Its totient is φ = 183921057216.

The previous prime is 200253425017. The next prime is 200253425023. The reversal of 200253425021 is 120524352002.

It is not a de Polignac number, because 200253425021 - 2² = 200253425017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200253425023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44311400 + ... + 44315918.

It is an arithmetic number, because the mean of its divisors is an integer number (9080562480).

Almost surely, 2^200253425021 is an apocalyptic number.

It is an amenable number.

200253425021 is a deficient number, since it is larger than the sum of its proper divisors (17680074499).

200253425021 is a wasteful number, since it uses less digits than its factorization.

200253425021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805 (or 5792 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 200253425021 its reverse (120524352002), we get a palindrome (320777777023).

The spelling of 200253425021 in words is "two hundred billion, two hundred fifty-three million, four hundred twenty-five thousand, twenty-one".