20606000406 has 32 divisors (see below), whose sum is σ = 41637909600. Its totient is φ = 6797740800.

The previous prime is 20606000399. The next prime is 20606000411. The reversal of 20606000406 is 60400060602.

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 15 ways as a sum of consecutive naturals, for example, 1757010 + ... + 1768698.

It is an arithmetic number, because the mean of its divisors is an integer number (1301184675).

Almost surely, 2^20606000406 is an apocalyptic number.

20606000406 is an abundant number, since it is smaller than the sum of its proper divisors (21031909194).

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

20606000406 is a wasteful number, since it uses less digits than its factorization.

20606000406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14704.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20606000406 in words is "twenty billion, six hundred six million, four hundred six", and thus it is an aban number.