2002022402394 has 128 divisors (see below), whose sum is σ = 5073306255360. Its totient is φ = 513495094464.

The previous prime is 2002022402383. The next prime is 2002022402399. The reversal of 2002022402394 is 4932042202002.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002022402399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1454167 + ... + 2473589.

It is an arithmetic number, because the mean of its divisors is an integer number (39635205120).

Almost surely, 2^{2002022402394} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002022402394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536653127680).

2002022402394 is an abundant number, since it is smaller than the sum of its proper divisors (3071283852966).

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

2002022402394 is a wasteful number, since it uses less digits than its factorization.

2002022402394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019584.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2002022402394 its reverse (4932042202002), we get a palindrome (6934064604396).

The spelling of 2002022402394 in words is "two trillion, two billion, twenty-two million, four hundred two thousand, three hundred ninety-four".