20301422144 has 56 divisors (see below), whose sum is σ = 42931738368. Its totient is φ = 9502760960.

The previous prime is 20301422143. The next prime is 20301422147. The reversal of 20301422144 is 44122410302.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (20301422143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77537 + ... + 215904.

Almost surely, 2^20301422144 is an apocalyptic number.

It is an amenable number.

20301422144 is an abundant number, since it is smaller than the sum of its proper divisors (22630316224).

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

20301422144 is a wasteful number, since it uses less digits than its factorization.

20301422144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293523 (or 293513 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20301422144 its reverse (44122410302), we get a palindrome (64423832446).

The spelling of 20301422144 in words is "twenty billion, three hundred one million, four hundred twenty-two thousand, one hundred forty-four".