20530050612266 has 8 divisors (see below), whose sum is σ = 33163927912164. Its totient is φ = 9475407974880.

The previous prime is 20530050612139. The next prime is 20530050612277. The reversal of 20530050612266 is 66221605003502.

It can be written as a sum of positive squares in 2 ways, for example, as 20495313480625 + 34737131641 = 4527175^2 + 186379^2 .

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

It is a super-2 number, since 2×20530050612266² (a number of 27 digits) contains 22 as substring.

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, 394808665595 + ... + 394808665646.

Almost surely, 2^{20530050612266} is an apocalyptic number.

20530050612266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20530050612266 is a deficient number, since it is larger than the sum of its proper divisors (12633877299898).

20530050612266 is a wasteful number, since it uses less digits than its factorization.

20530050612266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789617331256.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 20530050612266 its reverse (66221605003502), we get a palindrome (86751655615768).

The spelling of 20530050612266 in words is "twenty trillion, five hundred thirty billion, fifty million, six hundred twelve thousand, two hundred sixty-six".