20207370179 has 2 divisors, whose sum is σ = 20207370180. Its totient is φ = 20207370178.

The previous prime is 20207370109. The next prime is 20207370187. The reversal of 20207370179 is 97107370202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20207370179 is a prime.

It is a super-2 number, since 2×20207370179² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20207370109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10103685089 + 10103685090.

It is an arithmetic number, because the mean of its divisors is an integer number (10103685090).

Almost surely, 2^20207370179 is an apocalyptic number.

20207370179 is a deficient number, since it is larger than the sum of its proper divisors (1).

20207370179 is an equidigital number, since it uses as much as digits as its factorization.

20207370179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 38.

The spelling of 20207370179 in words is "twenty billion, two hundred seven million, three hundred seventy thousand, one hundred seventy-nine".