1982880203 has 2 divisors, whose sum is σ = 1982880204. Its totient is φ = 1982880202.

The previous prime is 1982880173. The next prime is 1982880241. The reversal of 1982880203 is 3020882891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1982880203 - 2⁶ = 1982880139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1982880293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991440101 + 991440102.

It is an arithmetic number, because the mean of its divisors is an integer number (991440102).

Almost surely, 2^1982880203 is an apocalyptic number.

1982880203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982880203 is an equidigital number, since it uses as much as digits as its factorization.

1982880203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 1982880203 is about 44529.5430360564. The cubic root of 1982880203 is about 1256.3158113159.

The spelling of 1982880203 in words is "one billion, nine hundred eighty-two million, eight hundred eighty thousand, two hundred three".