202102044 has 48 divisors (see below), whose sum is σ = 489861120. Its totient is φ = 64774080.

The previous prime is 202102039. The next prime is 202102057. The reversal of 202102044 is 440201202.

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, 93237 + ... + 95379.

It is an arithmetic number, because the mean of its divisors is an integer number (10205440).

Almost surely, 2^202102044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202102044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244930560).

202102044 is an abundant number, since it is smaller than the sum of its proper divisors (287759076).

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

202102044 is a wasteful number, since it uses less digits than its factorization.

202102044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202102044 is about 14216.2598456837. The cubic root of 202102044 is about 586.8452161140.

Adding to 202102044 its reverse (440201202), we get a palindrome (642303246).

The spelling of 202102044 in words is "two hundred two million, one hundred two thousand, forty-four".