20021911595086 has 32 divisors (see below), whose sum is σ = 31739462768160. Its totient is φ = 9446294716416.

The previous prime is 20021911595083. The next prime is 20021911595089. The reversal of 20021911595086 is 68059511912002.

It is an interprime number because it is at equal distance from previous prime (20021911595083) and next prime (20021911595089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021911595083) 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, 113519760 + ... + 113695996.

It is an arithmetic number, because the mean of its divisors is an integer number (991858211505).

Almost surely, 2^{20021911595086} is an apocalyptic number.

20021911595086 is a deficient number, since it is larger than the sum of its proper divisors (11717551173074).

20021911595086 is a wasteful number, since it uses less digits than its factorization.

20021911595086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188148.

The product of its (nonzero) digits is 388800, while the sum is 49.

The spelling of 20021911595086 in words is "twenty trillion, twenty-one billion, nine hundred eleven million, five hundred ninety-five thousand, eighty-six".