20630106406 has 32 divisors (see below), whose sum is σ = 40090901760. Its totient is φ = 7731814176.

The previous prime is 20630106377. The next prime is 20630106433. The reversal of 20630106406 is 60460103602.

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, 2979496 + ... + 2986411.

It is an arithmetic number, because the mean of its divisors is an integer number (1252840680).

Almost surely, 2^20630106406 is an apocalyptic number.

20630106406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20630106406 is a deficient number, since it is larger than the sum of its proper divisors (19460795354).

20630106406 is a wasteful number, since it uses less digits than its factorization.

20630106406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965948.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20630106406 in words is "twenty billion, six hundred thirty million, one hundred six thousand, four hundred six".