2520173380 has 12 divisors (see below), whose sum is σ = 5292364140. Its totient is φ = 1008069344.

The previous prime is 2520173353. The next prime is 2520173387. The reversal of 2520173380 is 833710252.

It can be written as a sum of positive squares in 2 ways, for example, as 1906719556 + 613453824 = 43666^2 + 24768^2 .

It is not an unprimeable number, because it can be changed into a prime (2520173387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63004315 + ... + 63004354.

It is an arithmetic number, because the mean of its divisors is an integer number (441030345).

Almost surely, 2^2520173380 is an apocalyptic number.

2520173380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520173380 is an abundant number, since it is smaller than the sum of its proper divisors (2772190760).

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

2520173380 is a wasteful number, since it uses less digits than its factorization.

2520173380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126008678 (or 126008676 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2520173380 is about 50201.3284684778. The cubic root of 2520173380 is about 1360.8496312975.

The spelling of 2520173380 in words is "two billion, five hundred twenty million, one hundred seventy-three thousand, three hundred eighty".