20144332401330 has 128 divisors (see below), whose sum is σ = 53292788628480. Its totient is φ = 4850400522240.

The previous prime is 20144332401317. The next prime is 20144332401341. The reversal of 20144332401330 is 3310423344102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2015626 + ... + 6659685.

It is an arithmetic number, because the mean of its divisors is an integer number (416349911160).

Almost surely, 2^{20144332401330} is an apocalyptic number.

20144332401330 is an abundant number, since it is smaller than the sum of its proper divisors (33148456227150).

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

20144332401330 is a wasteful number, since it uses less digits than its factorization.

20144332401330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675524.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20144332401330 its reverse (3310423344102), we get a palindrome (23454755745432).

The spelling of 20144332401330 in words is "twenty trillion, one hundred forty-four billion, three hundred thirty-two million, four hundred one thousand, three hundred thirty".