202003044102 has 80 divisors (see below), whose sum is σ = 479411079840. Its totient is φ = 63353809152.

The previous prime is 202003044091. The next prime is 202003044137. The reversal of 202003044102 is 201440300202.

202003044102 is a `hidden beast` number, since 20 + 200 + 3 + 0 + 441 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10667799 + ... + 10686717.

It is an arithmetic number, because the mean of its divisors is an integer number (5992638498).

Almost surely, 2^202003044102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202003044102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239705539920).

202003044102 is an abundant number, since it is smaller than the sum of its proper divisors (277408035738).

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

202003044102 is a wasteful number, since it uses less digits than its factorization.

202003044102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22827 (or 22818 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202003044102 its reverse (201440300202), we get a palindrome (403443344304).

The spelling of 202003044102 in words is "two hundred two billion, three million, forty-four thousand, one hundred two".