2120002057 has 2 divisors, whose sum is σ = 2120002058. Its totient is φ = 2120002056.

The previous prime is 2120002043. The next prime is 2120002063. The reversal of 2120002057 is 7502000212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1786245696 + 333756361 = 42264^2 + 18269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120002057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120002657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060001028 + 1060001029.

It is an arithmetic number, because the mean of its divisors is an integer number (1060001029).

Almost surely, 2^2120002057 is an apocalyptic number.

It is an amenable number.

2120002057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120002057 is an equidigital number, since it uses as much as digits as its factorization.

2120002057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2120002057 is about 46043.4800704725. The cubic root of 2120002057 is about 1284.6320731978.

Adding to 2120002057 its reverse (7502000212), we get a palindrome (9622002269).

It can be divided in two parts, 212000205 and 7, that added together give a palindrome (212000212).

The spelling of 2120002057 in words is "two billion, one hundred twenty million, two thousand, fifty-seven".