1020303401 has 32 divisors (see below), whose sum is σ = 1190246400. Its totient is φ = 866617920.

The previous prime is 1020303373. The next prime is 1020303419. The reversal of 1020303401 is 1043030201.

It is a cyclic number.

It is not a de Polignac number, because 1020303401 - 2⁶ = 1020303337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020303451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2077766 + ... + 2078256.

It is an arithmetic number, because the mean of its divisors is an integer number (37195200).

Almost surely, 2^1020303401 is an apocalyptic number.

It is an amenable number.

1020303401 is a deficient number, since it is larger than the sum of its proper divisors (169942999).

1020303401 is a wasteful number, since it uses less digits than its factorization.

1020303401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020303401 is about 31942.1884190799. The cubic root of 1020303401 is about 1006.7225069654.

Adding to 1020303401 its reverse (1043030201), we get a palindrome (2063333602).

The spelling of 1020303401 in words is "one billion, twenty million, three hundred three thousand, four hundred one".