202106004 has 12 divisors (see below), whose sum is σ = 471580704. Its totient is φ = 67368664.

The previous prime is 202105963. The next prime is 202106033. The reversal of 202106004 is 400601202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8421072 + ... + 8421095.

It is an arithmetic number, because the mean of its divisors is an integer number (39298392).

Almost surely, 2^202106004 is an apocalyptic number.

It is an amenable number.

202106004 is an abundant number, since it is smaller than the sum of its proper divisors (269474700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202106004 is a wasteful number, since it uses less digits than its factorization.

202106004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842174 (or 16842172 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 202106004 is about 14216.3991221406. The cubic root of 202106004 is about 586.8490489829.

Adding to 202106004 its reverse (400601202), we get a palindrome (602707206).

The spelling of 202106004 in words is "two hundred two million, one hundred six thousand, four".