1520200043 has 2 divisors, whose sum is σ = 1520200044. Its totient is φ = 1520200042.

The previous prime is 1520200021. The next prime is 1520200057. The reversal of 1520200043 is 3400020251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1520200043 - 2⁸ = 1520199787 is a prime.

It is a super-2 number, since 2×1520200043² = 4622016341474403698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1520199994 and 1520200030.

It is not a weakly prime, because it can be changed into another prime (1520200063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760100021 + 760100022.

It is an arithmetic number, because the mean of its divisors is an integer number (760100022).

Almost surely, 2^1520200043 is an apocalyptic number.

1520200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520200043 is an equidigital number, since it uses as much as digits as its factorization.

1520200043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1520200043 is about 38989.7427921755. The cubic root of 1520200043 is about 1149.8298533403.

Adding to 1520200043 its reverse (3400020251), we get a palindrome (4920220294).

The spelling of 1520200043 in words is "one billion, five hundred twenty million, two hundred thousand, forty-three".