20834806406 has 8 divisors (see below), whose sum is σ = 31272627144. Its totient is φ = 10410597360.

The previous prime is 20834806397. The next prime is 20834806453. The reversal of 20834806406 is 60460843802.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3399095 + ... + 3405218.

It is an arithmetic number, because the mean of its divisors is an integer number (3909078393).

Almost surely, 2^20834806406 is an apocalyptic number.

20834806406 is a deficient number, since it is larger than the sum of its proper divisors (10437820738).

20834806406 is a wasteful number, since it uses less digits than its factorization.

20834806406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805846.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 20834806406 in words is "twenty billion, eight hundred thirty-four million, eight hundred six thousand, four hundred six".