20530150671011 has 16 divisors (see below), whose sum is σ = 20705136537600. Its totient is φ = 20355377803488.

The previous prime is 20530150670969. The next prime is 20530150671029. The reversal of 20530150671011 is 11017605103502.

It is a cyclic number.

It is not a de Polignac number, because 20530150671011 - 2⁶ = 20530150670947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20530150671071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2181037541 + ... + 2181046953.

It is an arithmetic number, because the mean of its divisors is an integer number (1294071033600).

Almost surely, 2^{20530150671011} is an apocalyptic number.

20530150671011 is a deficient number, since it is larger than the sum of its proper divisors (174985866589).

20530150671011 is a wasteful number, since it uses less digits than its factorization.

20530150671011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18778.

The product of its (nonzero) digits is 6300, while the sum is 32.

Adding to 20530150671011 its reverse (11017605103502), we get a palindrome (31547755774513).

The spelling of 20530150671011 in words is "twenty trillion, five hundred thirty billion, one hundred fifty million, six hundred seventy-one thousand, eleven".