202020011002 has 32 divisors (see below), whose sum is σ = 322661465280. Its totient is φ = 94592839680.

The previous prime is 202020010979. The next prime is 202020011009. The reversal of 202020011002 is 200110020202.

It is a self number, because there is not a number n which added to its sum of digits gives 202020011002.

It is not an unprimeable number, because it can be changed into a prime (202020011009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1820538 + ... + 1928314.

It is an arithmetic number, because the mean of its divisors is an integer number (10083170790).

Almost surely, 2^202020011002 is an apocalyptic number.

202020011002 is a deficient number, since it is larger than the sum of its proper divisors (120641454278).

202020011002 is a wasteful number, since it uses less digits than its factorization.

202020011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108366.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202020011002 its reverse (200110020202), we get a palindrome (402130031204).

The spelling of 202020011002 in words is "two hundred two billion, twenty million, eleven thousand, two".