20000001020202 has 40 divisors (see below), whose sum is σ = 51216933832416. Its totient is φ = 5714286005448.

The previous prime is 20000001020191. The next prime is 20000001020239. The reversal of 20000001020202 is 20202010000002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8818341468 + ... + 8818343735.

Almost surely, 2^{20000001020202} is an apocalyptic number.

20000001020202 is an abundant number, since it is smaller than the sum of its proper divisors (31216932812214).

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

20000001020202 is a wasteful number, since it uses less digits than its factorization.

20000001020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636685224 (or 17636685215 counting only the distinct ones).

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

Adding to 20000001020202 its reverse (20202010000002), we get a palindrome (40202011020204).

The spelling of 20000001020202 in words is "twenty trillion, one million, twenty thousand, two hundred two".