20630622259 has 16 divisors (see below), whose sum is σ = 22744570464. Its totient is φ = 18592358400.

The previous prime is 20630622241. The next prime is 20630622329. The reversal of 20630622259 is 95222603602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20630622259 - 2⁵ = 20630622227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20630623259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458099 + ... + 1472179.

It is an arithmetic number, because the mean of its divisors is an integer number (1421535654).

Almost surely, 2^20630622259 is an apocalyptic number.

20630622259 is a deficient number, since it is larger than the sum of its proper divisors (2113948205).

20630622259 is a wasteful number, since it uses less digits than its factorization.

20630622259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 20630622259 in words is "twenty billion, six hundred thirty million, six hundred twenty-two thousand, two hundred fifty-nine".