20010202002 has 96 divisors (see below), whose sum is σ = 52757827200. Its totient is φ = 5350731264.

The previous prime is 20010201989. The next prime is 20010202033. The reversal of 20010202002 is 20020201002.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 47 ways as a sum of consecutive naturals, for example, 357324 + ... + 409512.

It is an arithmetic number, because the mean of its divisors is an integer number (549560700).

Almost surely, 2^20010202002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010202002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26378913600).

20010202002 is an abundant number, since it is smaller than the sum of its proper divisors (32747625198).

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

20010202002 is a wasteful number, since it uses less digits than its factorization.

20010202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52400 (or 52397 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20010202002 its reverse (20020201002), we get a palindrome (40030403004).

The spelling of 20010202002 in words is "twenty billion, ten million, two hundred two thousand, two".