20144402202 has 16 divisors (see below), whose sum is σ = 42040491840. Its totient is φ = 6422852832.

The previous prime is 20144402197. The next prime is 20144402209. The reversal of 20144402202 is 20220444102.

It is not an unprimeable number, because it can be changed into a prime (20144402209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72986827 + ... + 72987102.

It is an arithmetic number, because the mean of its divisors is an integer number (2627530740).

Almost surely, 2^20144402202 is an apocalyptic number.

20144402202 is an abundant number, since it is smaller than the sum of its proper divisors (21896089638).

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

20144402202 is a wasteful number, since it uses less digits than its factorization.

20144402202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145973957.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20144402202 its reverse (20220444102), we get a palindrome (40364846304).

The spelling of 20144402202 in words is "twenty billion, one hundred forty-four million, four hundred two thousand, two hundred two".