2302142420 has 12 divisors (see below), whose sum is σ = 4834499124. Its totient is φ = 920856960.

The previous prime is 2302142413. The next prime is 2302142459. The reversal of 2302142420 is 242412032.

It can be written as a sum of positive squares in 2 ways, for example, as 639786436 + 1662355984 = 25294^2 + 40772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 115107121 = 2302142420 / (2 + 3 + 0 + 2 + 1 + 4 + 2 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2302142392 and 2302142401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57553541 + ... + 57553580.

It is an arithmetic number, because the mean of its divisors is an integer number (402874927).

Almost surely, 2^2302142420 is an apocalyptic number.

2302142420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302142420 is an abundant number, since it is smaller than the sum of its proper divisors (2532356704).

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

2302142420 is a wasteful number, since it uses less digits than its factorization.

2302142420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115107130 (or 115107128 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2302142420 is about 47980.6463066099. The cubic root of 2302142420 is about 1320.4158507648.

Adding to 2302142420 its reverse (242412032), we get a palindrome (2544554452).

The spelling of 2302142420 in words is "two billion, three hundred two million, one hundred forty-two thousand, four hundred twenty".