2402143020 has 192 divisors, whose sum is σ = 7905945600. Its totient is φ = 603832320.

The previous prime is 2402142989. The next prime is 2402143021. The reversal of 2402143020 is 203412042.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2402142984 and 2402143002.

It is not an unprimeable number, because it can be changed into a prime (2402143021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2636365 + ... + 2637275.

It is an arithmetic number, because the mean of its divisors is an integer number (41176800).

Almost surely, 2^2402143020 is an apocalyptic number.

2402143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2402143020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952972800).

2402143020 is an abundant number, since it is smaller than the sum of its proper divisors (5503802580).

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

2402143020 is a wasteful number, since it uses less digits than its factorization.

2402143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2402143020 is about 49011.6620815903. The cubic root of 2402143020 is about 1339.2642838902.

Adding to 2402143020 its reverse (203412042), we get a palindrome (2605555062).

The spelling of 2402143020 in words is "two billion, four hundred two million, one hundred forty-three thousand, twenty".