20306630105 has 8 divisors (see below), whose sum is σ = 24381915072. Its totient is φ = 16235998128.

The previous prime is 20306630093. The next prime is 20306630137. The reversal of 20306630105 is 50103660302.

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

It is a cyclic number.

It is not a de Polignac number, because 20306630105 - 2¹⁴ = 20306613721 is a prime.

It is a super-2 number, since 2×20306630105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153637 + ... + 1171106.

It is an arithmetic number, because the mean of its divisors is an integer number (3047739384).

Almost surely, 2^20306630105 is an apocalyptic number.

It is an amenable number.

20306630105 is a deficient number, since it is larger than the sum of its proper divisors (4075284967).

20306630105 is a wasteful number, since it uses less digits than its factorization.

20306630105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326495.

The product of its (nonzero) digits is 3240, while the sum is 26.

The spelling of 20306630105 in words is "twenty billion, three hundred six million, six hundred thirty thousand, one hundred five".