20011193106 has 16 divisors (see below), whose sum is σ = 40678491648. Its totient is φ = 6561046800.

The previous prime is 20011193099. The next prime is 20011193143. The reversal of 20011193106 is 60139111002.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27337330 + ... + 27338061.

It is an arithmetic number, because the mean of its divisors is an integer number (2542405728).

Almost surely, 2^20011193106 is an apocalyptic number.

20011193106 is an abundant number, since it is smaller than the sum of its proper divisors (20667298542).

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

20011193106 is a wasteful number, since it uses less digits than its factorization.

20011193106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54675457.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 20011193106 in words is "twenty billion, eleven million, one hundred ninety-three thousand, one hundred six".