20201422144 has 28 divisors (see below), whose sum is σ = 40094039700. Its totient is φ = 10098987008.

The previous prime is 20201422139. The next prime is 20201422187. The reversal of 20201422144 is 44122410202.

It can be written as a sum of positive squares in 2 ways, for example, as 18911750400 + 1289671744 = 137520^2 + 35912^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404502 + ... + 451690.

Almost surely, 2^20201422144 is an apocalyptic number.

It is an amenable number.

20201422144 is a deficient number, since it is larger than the sum of its proper divisors (19892617556).

20201422144 is an equidigital number, since it uses as much as digits as its factorization.

20201422144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53890 (or 53880 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20201422144 its reverse (44122410202), we get a palindrome (64323832346).

The spelling of 20201422144 in words is "twenty billion, two hundred one million, four hundred twenty-two thousand, one hundred forty-four".