20201001010002 has 48 divisors (see below), whose sum is σ = 44127242752320. Its totient is φ = 6678623087136.

The previous prime is 20201001009979. The next prime is 20201001010007. The reversal of 20201001010002 is 20001010010202.

It is a super-2 number, since 2×20201001010002² (a number of 27 digits) contains 22 as substring.

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 (20201001010007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450638 + ... + 6519689.

It is an arithmetic number, because the mean of its divisors is an integer number (919317557340).

Almost surely, 2^{20201001010002} is an apocalyptic number.

20201001010002 is an abundant number, since it is smaller than the sum of its proper divisors (23926241742318).

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

20201001010002 is a wasteful number, since it uses less digits than its factorization.

20201001010002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7971487 (or 7971484 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20201001010002 its reverse (20001010010202), we get a palindrome (40202011020204).

The spelling of 20201001010002 in words is "twenty trillion, two hundred one billion, one million, ten thousand, two".