2520420130 has 8 divisors (see below), whose sum is σ = 4536756252. Its totient is φ = 1008168048.

The previous prime is 2520420121. The next prime is 2520420151. The reversal of 2520420130 is 310240252.

It can be written as a sum of positive squares in 2 ways, for example, as 2477948841 + 42471289 = 49779^2 + 6517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2520420098 and 2520420107.

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, 126020997 + ... + 126021016.

Almost surely, 2^2520420130 is an apocalyptic number.

2520420130 is a deficient number, since it is larger than the sum of its proper divisors (2016336122).

2520420130 is a wasteful number, since it uses less digits than its factorization.

2520420130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252042020.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2520420130 is about 50203.7860126106. The cubic root of 2520420130 is about 1360.8940434122.

Adding to 2520420130 its reverse (310240252), we get a palindrome (2830660382).

The spelling of 2520420130 in words is "two billion, five hundred twenty million, four hundred twenty thousand, one hundred thirty".