20208102006 has 16 divisors (see below), whose sum is σ = 40621364784. Its totient is φ = 6701840544.

The previous prime is 20208102001. The next prime is 20208102007. The reversal of 20208102006 is 60020180202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20208102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8547085 + ... + 8549448.

It is an arithmetic number, because the mean of its divisors is an integer number (2538835299).

Almost surely, 2^20208102006 is an apocalyptic number.

20208102006 is an abundant number, since it is smaller than the sum of its proper divisors (20413262778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20208102006 is a wasteful number, since it uses less digits than its factorization.

20208102006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17096735.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20208102006 its reverse (60020180202), we get a palindrome (80228282208).

The spelling of 20208102006 in words is "twenty billion, two hundred eight million, one hundred two thousand, six".