202400020022425 has 12 divisors (see below), whose sum is σ = 250977059891116. Its totient is φ = 161919348235200.

The previous prime is 202400020022407. The next prime is 202400020022437. The reversal of 202400020022425 is 524220020004202.

It can be written as a sum of positive squares in 6 ways, for example, as 1474157794201 + 200925862228224 = 1214149^2 + 14174832^2 .

It is not a de Polignac number, because 202400020022425 - 2¹¹ = 202400020020377 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 202400020022425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10465914 + ... + 22678963.

Almost surely, 2^{202400020022425} is an apocalyptic number.

202400020022425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202400020022425 is a deficient number, since it is larger than the sum of its proper divisors (48577039868691).

202400020022425 is a wasteful number, since it uses less digits than its factorization.

202400020022425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33389148 (or 33389143 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 202400020022425 its reverse (524220020004202), we get a palindrome (726620040026627).

The spelling of 202400020022425 in words is "two hundred two trillion, four hundred billion, twenty million, twenty-two thousand, four hundred twenty-five".