20110120202202 has 32 divisors (see below), whose sum is σ = 40255854170112. Its totient is φ = 6697439686704.

The previous prime is 20110120202189. The next prime is 20110120202257. The reversal of 20110120202202 is 20220202101102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42358663 + ... + 42830789.

It is an arithmetic number, because the mean of its divisors is an integer number (1257995442816).

Almost surely, 2^{20110120202202} is an apocalyptic number.

20110120202202 is an abundant number, since it is smaller than the sum of its proper divisors (20145733967910).

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

20110120202202 is a wasteful number, since it uses less digits than its factorization.

20110120202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478402.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20110120202202 its reverse (20220202101102), we get a palindrome (40330322303304).

The spelling of 20110120202202 in words is "twenty trillion, one hundred ten billion, one hundred twenty million, two hundred two thousand, two hundred two".