20110616001 has 12 divisors (see below), whose sum is σ = 33198477312. Its totient is φ = 11491780536.

The previous prime is 20110615991. The next prime is 20110616027. The reversal of 20110616001 is 10061601102.

20110616001 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 0 + 61 + 600 + 1 = 666.

It is not a de Polignac number, because 20110616001 - 2¹⁰ = 20110614977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20110616501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159608001 + ... + 159608126.

It is an arithmetic number, because the mean of its divisors is an integer number (2766539776).

Almost surely, 2^20110616001 is an apocalyptic number.

20110616001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20110616001 is a deficient number, since it is larger than the sum of its proper divisors (13087861311).

20110616001 is a wasteful number, since it uses less digits than its factorization.

20110616001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319216140 (or 319216137 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20110616001 in words is "twenty billion, one hundred ten million, six hundred sixteen thousand, one".