20662105103 has 8 divisors (see below), whose sum is σ = 21295918896. Its totient is φ = 20034475200.

The previous prime is 20662105081. The next prime is 20662105109. The reversal of 20662105103 is 30150126602.

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 20662105103 - 2³⁰ = 19588363279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20662105109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1539188 + ... + 1552553.

It is an arithmetic number, because the mean of its divisors is an integer number (2661989862).

Almost surely, 2^20662105103 is an apocalyptic number.

20662105103 is a deficient number, since it is larger than the sum of its proper divisors (633813793).

20662105103 is a wasteful number, since it uses less digits than its factorization.

20662105103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091945.

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 20662105103 in words is "twenty billion, six hundred sixty-two million, one hundred five thousand, one hundred three".