120020001677 has 2 divisors, whose sum is σ = 120020001678. Its totient is φ = 120020001676.

The previous prime is 120020001659. The next prime is 120020001701. The reversal of 120020001677 is 776100020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110789788201 + 9230213476 = 332851^2 + 96074^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020001677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020001077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010000838 + 60010000839.

It is an arithmetic number, because the mean of its divisors is an integer number (60010000839).

Almost surely, 2^120020001677 is an apocalyptic number.

It is an amenable number.

120020001677 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020001677 is an equidigital number, since it uses as much as digits as its factorization.

120020001677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 26.

Adding to 120020001677 its reverse (776100020021), we get a palindrome (896120021698).

The spelling of 120020001677 in words is "one hundred twenty billion, twenty million, one thousand, six hundred seventy-seven".