20110220202 has 16 divisors (see below), whose sum is σ = 40275772992. Its totient is φ = 6694184640.

The previous prime is 20110220189. The next prime is 20110220203. The reversal of 20110220202 is 20202201102.

It is not an unprimeable number, because it can be changed into a prime (20110220203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2300799 + ... + 2309522.

It is an arithmetic number, because the mean of its divisors is an integer number (2517235812).

Almost surely, 2^20110220202 is an apocalyptic number.

20110220202 is an abundant number, since it is smaller than the sum of its proper divisors (20165552790).

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

20110220202 is a wasteful number, since it uses less digits than its factorization.

20110220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611053.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20110220202 its reverse (20202201102), we get a palindrome (40312421304).

It can be divided in two parts, 201102 and 20202, that multiplied together give a palindrome (4062662604).

The spelling of 20110220202 in words is "twenty billion, one hundred ten million, two hundred twenty thousand, two hundred two".