2520123330 has 64 divisors (see below), whose sum is σ = 6373002240. Its totient is φ = 636025536.

The previous prime is 2520123329. The next prime is 2520123371. The reversal of 2520123330 is 333210252.

It is a junction number, because it is equal to n+sod(n) for n = 2520123297 and 2520123306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 866659 + ... + 869561.

It is an arithmetic number, because the mean of its divisors is an integer number (99578160).

Almost surely, 2^2520123330 is an apocalyptic number.

2520123330 is an abundant number, since it is smaller than the sum of its proper divisors (3852878910).

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

2520123330 is a wasteful number, since it uses less digits than its factorization.

2520123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 2520123330 is about 50200.8299732186. The cubic root of 2520123330 is about 1360.8406225291.

Adding to 2520123330 its reverse (333210252), we get a palindrome (2853333582).

The spelling of 2520123330 in words is "two billion, five hundred twenty million, one hundred twenty-three thousand, three hundred thirty".