202101404 has 48 divisors (see below), whose sum is σ = 380933280. Its totient is φ = 93542400.

The previous prime is 202101397. The next prime is 202101421. The reversal of 202101404 is 404101202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867272 + ... + 867504.

It is an arithmetic number, because the mean of its divisors is an integer number (7936110).

Almost surely, 2^202101404 is an apocalyptic number.

It is an amenable number.

202101404 is a deficient number, since it is larger than the sum of its proper divisors (178831876).

202101404 is a wasteful number, since it uses less digits than its factorization.

202101404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 202101404 is about 14216.2373362293. The cubic root of 202101404 is about 586.8445966558.

Adding to 202101404 its reverse (404101202), we get a palindrome (606202606).

The spelling of 202101404 in words is "two hundred two million, one hundred one thousand, four hundred four".