120020102057 has 2 divisors, whose sum is σ = 120020102058. Its totient is φ = 120020102056.

The previous prime is 120020102039. The next prime is 120020102129. The reversal of 120020102057 is 750201020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117577666816 + 2442435241 = 342896^2 + 49421^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020102057 - 2²⁴ = 120003324841 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020102857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010051028 + 60010051029.

It is an arithmetic number, because the mean of its divisors is an integer number (60010051029).

Almost surely, 2^120020102057 is an apocalyptic number.

It is an amenable number.

120020102057 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020102057 is an equidigital number, since it uses as much as digits as its factorization.

120020102057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

Adding to 120020102057 its reverse (750201020021), we get a palindrome (870221122078).

The spelling of 120020102057 in words is "one hundred twenty billion, twenty million, one hundred two thousand, fifty-seven".