202104401236 has 24 divisors (see below), whose sum is σ = 365949753120. Its totient is φ = 97548683232.

The previous prime is 202104401197. The next prime is 202104401237. The reversal of 202104401236 is 632104401202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 202104401236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202104401237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439671 + ... + 772993.

It is an arithmetic number, because the mean of its divisors is an integer number (15247906380).

Almost surely, 2^202104401236 is an apocalyptic number.

It is an amenable number.

202104401236 is a deficient number, since it is larger than the sum of its proper divisors (163845351884).

202104401236 is a wasteful number, since it uses less digits than its factorization.

202104401236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338583 (or 338581 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 202104401236 its reverse (632104401202), we get a palindrome (834208802438).

The spelling of 202104401236 in words is "two hundred two billion, one hundred four million, four hundred one thousand, two hundred thirty-six".