20061618201 has 12 divisors (see below), whose sum is σ = 29684671380. Its totient is φ = 13048206720.

The previous prime is 20061618167. The next prime is 20061618209. The reversal of 20061618201 is 10281616002.

20061618201 is a `hidden beast` number, since 20 + 0 + 6 + 1 + 618 + 20 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12019833225 + 8041784976 = 109635^2 + 89676^2 .

It is not a de Polignac number, because 20061618201 - 2¹⁸ = 20061356057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20061618209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27183396 + ... + 27184133.

It is an arithmetic number, because the mean of its divisors is an integer number (2473722615).

Almost surely, 2^20061618201 is an apocalyptic number.

It is an amenable number.

20061618201 is a deficient number, since it is larger than the sum of its proper divisors (9623053179).

20061618201 is a wasteful number, since it uses less digits than its factorization.

20061618201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54367576 (or 54367573 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 20061618201 in words is "twenty billion, sixty-one million, six hundred eighteen thousand, two hundred one".