2520650220 has 72 divisors (see below), whose sum is σ = 7757792112. Its totient is φ = 611064960.

The previous prime is 2520650213. The next prime is 2520650221. The reversal of 2520650220 is 220560252.

2520650220 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2520650221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166339 + ... + 180858.

Almost surely, 2^2520650220 is an apocalyptic number.

2520650220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520650220 is an abundant number, since it is smaller than the sum of its proper divisors (5237141892).

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

2520650220 is a wasteful number, since it uses less digits than its factorization.

2520650220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347231 (or 347218 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2520650220 is about 50206.0775205552. The cubic root of 2520650220 is about 1360.9354543102.

The spelling of 2520650220 in words is "two billion, five hundred twenty million, six hundred fifty thousand, two hundred twenty".