20191752875086 has 32 divisors (see below), whose sum is σ = 33504126717600. Its totient is φ = 9066010582656.

The previous prime is 20191752875059. The next prime is 20191752875087. The reversal of 20191752875086 is 68057825719102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20191752875087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4695240 + ... + 7901188.

It is an arithmetic number, because the mean of its divisors is an integer number (1047003959925).

Almost surely, 2^{20191752875086} is an apocalyptic number.

20191752875086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20191752875086 is a deficient number, since it is larger than the sum of its proper divisors (13312373842514).

20191752875086 is a wasteful number, since it uses less digits than its factorization.

20191752875086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212548.

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 20191752875086 in words is "twenty trillion, one hundred ninety-one billion, seven hundred fifty-two million, eight hundred seventy-five thousand, eighty-six".