1020240440213 has 4 divisors (see below), whose sum is σ = 1020247294368. Its totient is φ = 1020233586060.

The previous prime is 1020240440119. The next prime is 1020240440243. The reversal of 1020240440213 is 3120440420201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1020240440213 - 2¹⁶ = 1020240374677 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 (1020240440243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3198731 + ... + 3503192.

It is an arithmetic number, because the mean of its divisors is an integer number (255061823592).

Almost surely, 2^{1020240440213} is an apocalyptic number.

It is an amenable number.

1020240440213 is a deficient number, since it is larger than the sum of its proper divisors (6854155).

1020240440213 is an equidigital number, since it uses as much as digits as its factorization.

1020240440213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854154.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1020240440213 its reverse (3120440420201), we get a palindrome (4140680860414).

The spelling of 1020240440213 in words is "one trillion, twenty billion, two hundred forty million, four hundred forty thousand, two hundred thirteen".