1013323002020 has 96 divisors (see below), whose sum is σ = 2560256160000. Its totient is φ = 329103212544.

The previous prime is 1013323002017. The next prime is 1013323002023. The reversal of 1013323002020 is 202003233101.

It is an interprime number because it is at equal distance from previous prime (1013323002017) and next prime (1013323002023).

It is a self number, because there is not a number n which added to its sum of digits gives 1013323002020.

It is not an unprimeable number, because it can be changed into a prime (1013323002023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35227964 + ... + 35256716.

It is an arithmetic number, because the mean of its divisors is an integer number (26669335000).

Almost surely, 2^{1013323002020} is an apocalyptic number.

1013323002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013323002020 is an abundant number, since it is smaller than the sum of its proper divisors (1546933157980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1013323002020 is a wasteful number, since it uses less digits than its factorization.

1013323002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42037 (or 42035 counting only the distinct ones).

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

Adding to 1013323002020 its reverse (202003233101), we get a palindrome (1215326235121).

The spelling of 1013323002020 in words is "one trillion, thirteen billion, three hundred twenty-three million, two thousand, twenty".