20201020212002 has 16 divisors (see below), whose sum is σ = 35104708315392. Its totient is φ = 8538983102880.

The previous prime is 20201020211987. The next prime is 20201020212017. The reversal of 20201020212002 is 20021202010202.

It is an interprime number because it is at equal distance from previous prime (20201020211987) and next prime (20201020212017).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9883081274 + ... + 9883083317.

It is an arithmetic number, because the mean of its divisors is an integer number (2194044269712).

Almost surely, 2^{20201020212002} is an apocalyptic number.

20201020212002 is a deficient number, since it is larger than the sum of its proper divisors (14903688103390).

20201020212002 is a wasteful number, since it uses less digits than its factorization.

20201020212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19766164673.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201020212002 its reverse (20021202010202), we get a palindrome (40222222222204).

The spelling of 20201020212002 in words is "twenty trillion, two hundred one billion, twenty million, two hundred twelve thousand, two".