1013022320 has 40 divisors (see below), whose sum is σ = 2388463200. Its totient is φ = 399499520.

The previous prime is 1013022319. The next prime is 1013022331. The reversal of 1013022320 is 232203101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1013022295 and 1013022304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83495 + ... + 94854.

It is an arithmetic number, because the mean of its divisors is an integer number (59711580).

Almost surely, 2^1013022320 is an apocalyptic number.

1013022320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013022320 is an abundant number, since it is smaller than the sum of its proper divisors (1375440880).

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

1013022320 is a wasteful number, since it uses less digits than its factorization.

1013022320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178433 (or 178427 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013022320 is about 31828.0115621444. The cubic root of 1013022320 is about 1004.3220661650.

Adding to 1013022320 its reverse (232203101), we get a palindrome (1245225421).

The spelling of 1013022320 in words is "one billion, thirteen million, twenty-two thousand, three hundred twenty".