20200191091102 has 16 divisors (see below), whose sum is σ = 34492025895552. Its totient is φ = 8782691778520.

The previous prime is 20200191091063. The next prime is 20200191091103. The reversal of 20200191091102 is 20119019100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200191091103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19960662628 + ... + 19960663639.

It is an arithmetic number, because the mean of its divisors is an integer number (2155751618472).

Almost surely, 2^{20200191091102} is an apocalyptic number.

20200191091102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20200191091102 is a deficient number, since it is larger than the sum of its proper divisors (14291834804450).

20200191091102 is a wasteful number, since it uses less digits than its factorization.

20200191091102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39921326303.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20200191091102 in words is "twenty trillion, two hundred billion, one hundred ninety-one million, ninety-one thousand, one hundred two".