1013320032320 has 112 divisors (see below), whose sum is σ = 2627552174400. Its totient is φ = 370753689600.

The previous prime is 1013320032251. The next prime is 1013320032323. The reversal of 1013320032320 is 232300233101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1013320032292 and 1013320032301.

It is not an unprimeable number, because it can be changed into a prime (1013320032323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2697206 + ... + 3049845.

Almost surely, 2^{1013320032320} is an apocalyptic number.

1013320032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013320032320 is an abundant number, since it is smaller than the sum of its proper divisors (1614232142080).

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

1013320032320 is a wasteful number, since it uses less digits than its factorization.

1013320032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5747116 (or 5747106 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1013320032320 its reverse (232300233101), we get a palindrome (1245620265421).

The spelling of 1013320032320 in words is "one trillion, thirteen billion, three hundred twenty million, thirty-two thousand, three hundred twenty".