2002222402420 has 24 divisors (see below), whose sum is σ = 4205095065864. Its totient is φ = 800807433216.

The previous prime is 2002222402319. The next prime is 2002222402447. The reversal of 2002222402420 is 242042222002.

It can be written as a sum of positive squares in 4 ways, for example, as 90545624464 + 1911676777956 = 300908^2 + 1382634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002222402391 and 2002222402400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4893909 + ... + 5287228.

It is an arithmetic number, because the mean of its divisors is an integer number (175212294411).

Almost surely, 2^{2002222402420} is an apocalyptic number.

2002222402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002222402420 is an abundant number, since it is smaller than the sum of its proper divisors (2202872663444).

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

2002222402420 is a wasteful number, since it uses less digits than its factorization.

2002222402420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190979 (or 10190977 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 2002222402420 its reverse (242042222002), we get a palindrome (2244264624422).

The spelling of 2002222402420 in words is "two trillion, two billion, two hundred twenty-two million, four hundred two thousand, four hundred twenty".