20110220202002 has 16 divisors (see below), whose sum is σ = 34479887587200. Its totient is φ = 8617359704928.

The previous prime is 20110220201999. The next prime is 20110220202053. The reversal of 20110220202002 is 20020202201102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108745643 + ... + 108930414.

It is an arithmetic number, because the mean of its divisors is an integer number (2154992974200).

Almost surely, 2^{20110220202002} is an apocalyptic number.

20110220202002 is a deficient number, since it is larger than the sum of its proper divisors (14369667385198).

20110220202002 is a wasteful number, since it uses less digits than its factorization.

20110220202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217682665.

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

Adding to 20110220202002 its reverse (20020202201102), we get a palindrome (40130422403104).

Subtracting from 20110220202002 its reverse (20020202201102), we obtain a square (90018000900 = 300030²).

The spelling of 20110220202002 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, two hundred two thousand, two".