2402020402420 has 24 divisors (see below), whose sum is σ = 5057413208064. Its totient is φ = 958299520416.

The previous prime is 2402020402403. The next prime is 2402020402421. The reversal of 2402020402420 is 242040202042.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2402020402391 and 2402020402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402020402421) 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, 156782184 + ... + 156797503.

It is an arithmetic number, because the mean of its divisors is an integer number (210725550336).

Almost surely, 2^{2402020402420} is an apocalyptic number.

2402020402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402020402420 is an abundant number, since it is smaller than the sum of its proper divisors (2655392805644).

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

2402020402420 is a wasteful number, since it uses less digits than its factorization.

2402020402420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313580079 (or 313580077 counting only the distinct ones).

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

Adding to 2402020402420 its reverse (242040202042), we get a palindrome (2644060604462).

The spelling of 2402020402420 in words is "two trillion, four hundred two billion, twenty million, four hundred two thousand, four hundred twenty".