2520213340 has 24 divisors (see below), whose sum is σ = 5301973152. Its totient is φ = 1006271040.

The previous prime is 2520213271. The next prime is 2520213341. The reversal of 2520213340 is 433120252.

It is a super-2 number, since 2×2520213340² = 12702950558227911200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520213341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101976 + ... + 124255.

It is an arithmetic number, because the mean of its divisors is an integer number (220915548).

Almost surely, 2^2520213340 is an apocalyptic number.

2520213340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520213340 is an abundant number, since it is smaller than the sum of its proper divisors (2781759812).

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

2520213340 is a wasteful number, since it uses less digits than its factorization.

2520213340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226797 (or 226795 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2520213340 is about 50201.7264643359. The cubic root of 2520213340 is about 1360.8568238269.

Adding to 2520213340 its reverse (433120252), we get a palindrome (2953333592).

The spelling of 2520213340 in words is "two billion, five hundred twenty million, two hundred thirteen thousand, three hundred forty".