1020223011439 has 4 divisors (see below), whose sum is σ = 1025058191800. Its totient is φ = 1015387831080.

The previous prime is 1020223011427. The next prime is 1020223011463. The reversal of 1020223011439 is 9341103220201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020223011439 - 2²⁹ = 1019686140527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020223011469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417589864 + ... + 2417590285.

It is an arithmetic number, because the mean of its divisors is an integer number (256264547950).

Almost surely, 2^{1020223011439} is an apocalyptic number.

1020223011439 is a deficient number, since it is larger than the sum of its proper divisors (4835180361).

1020223011439 is an equidigital number, since it uses as much as digits as its factorization.

1020223011439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835180360.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 1020223011439 in words is "one trillion, twenty billion, two hundred twenty-three million, eleven thousand, four hundred thirty-nine".