202120202104 has 32 divisors (see below), whose sum is σ = 388477684800. Its totient is φ = 98542142080.

The previous prime is 202120202099. The next prime is 202120202111. The reversal of 202120202104 is 401202021202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898027 + ... + 1100314.

It is an arithmetic number, because the mean of its divisors is an integer number (12139927650).

Almost surely, 2^202120202104 is an apocalyptic number.

It is an amenable number.

202120202104 is a deficient number, since it is larger than the sum of its proper divisors (186357482696).

202120202104 is a wasteful number, since it uses less digits than its factorization.

202120202104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998663 (or 1998659 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202120202104 its reverse (401202021202), we get a palindrome (603322223306).

The spelling of 202120202104 in words is "two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred four".