10001020202 has 64 divisors (see below), whose sum is σ = 16556254848. Its totient is φ = 4512000000.

The previous prime is 10001020201. The next prime is 10001020213. The reversal of 10001020202 is 20202010001.

It is a self number, because there is not a number n which added to its sum of digits gives 10001020202.

It is not an unprimeable number, because it can be changed into a prime (10001020201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35339153 + ... + 35339435.

It is an arithmetic number, because the mean of its divisors is an integer number (258691482).

Almost surely, 2^10001020202 is an apocalyptic number.

10001020202 is a deficient number, since it is larger than the sum of its proper divisors (6555234646).

10001020202 is a wasteful number, since it uses less digits than its factorization.

10001020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 10001020202 its reverse (20202010001), we get a palindrome (30203030203).

The spelling of 10001020202 in words is "ten billion, one million, twenty thousand, two hundred two".