2002120041440 has 48 divisors (see below), whose sum is σ = 4730141888640. Its totient is φ = 800825448960.

The previous prime is 2002120041349. The next prime is 2002120041443. The reversal of 2002120041440 is 441400212002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120041443) 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, 6248666 + ... + 6561254.

It is an arithmetic number, because the mean of its divisors is an integer number (98544622680).

Almost surely, 2^{2002120041440} is an apocalyptic number.

2002120041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002120041440 is an abundant number, since it is smaller than the sum of its proper divisors (2728021847200).

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

2002120041440 is a wasteful number, since it uses less digits than its factorization.

2002120041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352635 (or 352627 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2002120041440 its reverse (441400212002), we get a palindrome (2443520253442).

The spelling of 2002120041440 in words is "two trillion, two billion, one hundred twenty million, forty-one thousand, four hundred forty".