20601765050 has 12 divisors (see below), whose sum is σ = 38319283086. Its totient is φ = 8240706000.

The previous prime is 20601765029. The next prime is 20601765083. The reversal of 20601765050 is 5056710602.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16172463241 + 4429301809 = 127171^2 + 66553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20601764998 and 20601765016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206017601 + ... + 206017700.

Almost surely, 2^20601765050 is an apocalyptic number.

20601765050 is a deficient number, since it is larger than the sum of its proper divisors (17717518036).

20601765050 is a wasteful number, since it uses less digits than its factorization.

20601765050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412035313 (or 412035308 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 20601765050 in words is "twenty billion, six hundred one million, seven hundred sixty-five thousand, fifty".