20201000200002 has 48 divisors (see below), whose sum is σ = 45619379639808. Its totient is φ = 6453185137920.

The previous prime is 20201000199929. The next prime is 20201000200009. The reversal of 20201000200002 is 20000200010202.

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

It is not an unprimeable number, because it can be changed into a prime (20201000200009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175682863 + ... + 175797810.

It is an arithmetic number, because the mean of its divisors is an integer number (950403742496).

Almost surely, 2^{20201000200002} is an apocalyptic number.

20201000200002 is an abundant number, since it is smaller than the sum of its proper divisors (25418379439806).

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

20201000200002 is a wasteful number, since it uses less digits than its factorization.

20201000200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351480815 (or 351480812 counting only the distinct ones).

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

Adding to 20201000200002 its reverse (20000200010202), we get a palindrome (40201200210204).

The spelling of 20201000200002 in words is "twenty trillion, two hundred one billion, two hundred thousand, two".