2001420013344 has 48 divisors (see below), whose sum is σ = 5253950913120. Its totient is φ = 667111639040.

The previous prime is 2001420013343. The next prime is 2001420013349. The reversal of 2001420013344 is 4433100241002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2001420013343) 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, 1890064 + ... + 2752304.

It is an arithmetic number, because the mean of its divisors is an integer number (109457310690).

Almost surely, 2^{2001420013344} is an apocalyptic number.

2001420013344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2001420013344 is an abundant number, since it is smaller than the sum of its proper divisors (3252530899776).

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

2001420013344 is a wasteful number, since it uses less digits than its factorization.

2001420013344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886433 (or 886425 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2001420013344 its reverse (4433100241002), we get a palindrome (6434520254346).

The spelling of 2001420013344 in words is "two trillion, one billion, four hundred twenty million, thirteen thousand, three hundred forty-four".