20107177050619 has 2 divisors, whose sum is σ = 20107177050620. Its totient is φ = 20107177050618.

The previous prime is 20107177050487. The next prime is 20107177050661. The reversal of 20107177050619 is 91605077170102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20107177050619 is a prime.

It is a super-2 number, since 2×20107177050619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20107177050419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10053588525309 + 10053588525310.

It is an arithmetic number, because the mean of its divisors is an integer number (10053588525310).

Almost surely, 2^{20107177050619} is an apocalyptic number.

20107177050619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20107177050619 is an equidigital number, since it uses as much as digits as its factorization.

20107177050619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185220, while the sum is 46.

The spelling of 20107177050619 in words is "twenty trillion, one hundred seven billion, one hundred seventy-seven million, fifty thousand, six hundred nineteen".