1020402413 has 4 divisors (see below), whose sum is σ = 1022770368. Its totient is φ = 1018034460.

The previous prime is 1020402403. The next prime is 1020402421. The reversal of 1020402413 is 3142040201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3142040201 = 607 ⋅5176343.

It is a cyclic number.

It is not a de Polignac number, because 1020402413 - 2⁶ = 1020402349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020402391 and 1020402400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020402403) 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 in 3 ways as a sum of consecutive naturals, for example, 1183331 + ... + 1184192.

It is an arithmetic number, because the mean of its divisors is an integer number (255692592).

Almost surely, 2^1020402413 is an apocalyptic number.

It is an amenable number.

1020402413 is a deficient number, since it is larger than the sum of its proper divisors (2367955).

1020402413 is an equidigital number, since it uses as much as digits as its factorization.

1020402413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367954.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1020402413 is about 31943.7382439814. The cubic root of 1020402413 is about 1006.7550706076.

Adding to 1020402413 its reverse (3142040201), we get a palindrome (4162442614).

The spelling of 1020402413 in words is "one billion, twenty million, four hundred two thousand, four hundred thirteen".