2507012220 has 24 divisors (see below), whose sum is σ = 7019634384. Its totient is φ = 668536576.

The previous prime is 2507012159. The next prime is 2507012243. The reversal of 2507012220 is 222107052.

It is a happy number.

It is a super-4 number, since 4×2507012220⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20891709 + ... + 20891828.

It is an arithmetic number, because the mean of its divisors is an integer number (292484766).

Almost surely, 2^2507012220 is an apocalyptic number.

2507012220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2507012220 is an abundant number, since it is smaller than the sum of its proper divisors (4512622164).

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

2507012220 is a wasteful number, since it uses less digits than its factorization.

2507012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41783549 (or 41783547 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2507012220 is about 50070.0730976099. The cubic root of 2507012220 is about 1358.4765632983.

Adding to 2507012220 its reverse (222107052), we get a palindrome (2729119272).

The spelling of 2507012220 in words is "two billion, five hundred seven million, twelve thousand, two hundred twenty".