1020333401 has 2 divisors, whose sum is σ = 1020333402. Its totient is φ = 1020333400.

The previous prime is 1020333343. The next prime is 1020333407. The reversal of 1020333401 is 1043330201.

It is a happy number.

1020333401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 755425225 + 264908176 = 27485^2 + 16276^2 .

It is an emirp because it is prime and its reverse (1043330201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020333401 - 2¹⁰ = 1020332377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020333401.

It is not a weakly prime, because it can be changed into another prime (1020333407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510166700 + 510166701.

It is an arithmetic number, because the mean of its divisors is an integer number (510166701).

Almost surely, 2^1020333401 is an apocalyptic number.

It is an amenable number.

1020333401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020333401 is an equidigital number, since it uses as much as digits as its factorization.

1020333401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020333401 is about 31942.6580140100. The cubic root of 1020333401 is about 1006.7323737622.

Adding to 1020333401 its reverse (1043330201), we get a palindrome (2063663602).

The spelling of 1020333401 in words is "one billion, twenty million, three hundred thirty-three thousand, four hundred one".