120020200177 has 2 divisors, whose sum is σ = 120020200178. Its totient is φ = 120020200176.

The previous prime is 120020200171. The next prime is 120020200219. The reversal of 120020200177 is 771002020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102987079056 + 17033121121 = 320916^2 + 130511^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020200177 - 2¹⁵ = 120020167409 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020200171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010100088 + 60010100089.

It is an arithmetic number, because the mean of its divisors is an integer number (60010100089).

Almost surely, 2^120020200177 is an apocalyptic number.

It is an amenable number.

120020200177 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020200177 is an equidigital number, since it uses as much as digits as its factorization.

120020200177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 120020200177 its reverse (771002020021), we get a palindrome (891022220198).

The spelling of 120020200177 in words is "one hundred twenty billion, twenty million, two hundred thousand, one hundred seventy-seven".