2520663122 has 8 divisors (see below), whose sum is σ = 3911373900. Its totient is φ = 1216871824.

The previous prime is 2520663109. The next prime is 2520663163. The reversal of 2520663122 is 2213660252.

It can be written as a sum of positive squares in 2 ways, for example, as 2179115761 + 341547361 = 46681^2 + 18481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2520663122² = 12707485149221573768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21729797 + ... + 21729912.

Almost surely, 2^2520663122 is an apocalyptic number.

2520663122 is a deficient number, since it is larger than the sum of its proper divisors (1390710778).

2520663122 is a wasteful number, since it uses less digits than its factorization.

2520663122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43459740.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2520663122 is about 50206.2060108111. The cubic root of 2520663122 is about 1360.9377762983.

The spelling of 2520663122 in words is "two billion, five hundred twenty million, six hundred sixty-three thousand, one hundred twenty-two".