20206000406 has 8 divisors (see below), whose sum is σ = 30309615504. Its totient is φ = 10102795240.

The previous prime is 20206000391. The next prime is 20206000537. The reversal of 20206000406 is 60400060202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103751 + ... + 226221.

It is an arithmetic number, because the mean of its divisors is an integer number (3788701938).

Almost surely, 2^20206000406 is an apocalyptic number.

20206000406 is a deficient number, since it is larger than the sum of its proper divisors (10103615098).

20206000406 is a wasteful number, since it uses less digits than its factorization.

20206000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204966.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20206000406 its reverse (60400060202), we get a palindrome (80606060608).

The spelling of 20206000406 in words is "twenty billion, two hundred six million, four hundred six", and thus it is an aban number.