1013033220 has 48 divisors (see below), whose sum is σ = 2934308160. Its totient is φ = 260826496.

The previous prime is 1013033201. The next prime is 1013033227. The reversal of 1013033220 is 223303101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1013033220.

It is not an unprimeable number, because it can be changed into a prime (1013033227) 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, 289362 + ... + 292841.

It is an arithmetic number, because the mean of its divisors is an integer number (61131420).

Almost surely, 2^1013033220 is an apocalyptic number.

1013033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013033220 is an abundant number, since it is smaller than the sum of its proper divisors (1921274940).

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

1013033220 is a wasteful number, since it uses less digits than its factorization.

1013033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582244 (or 582242 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1013033220 is about 31828.1827944983. The cubic root of 1013033220 is about 1004.3256682808.

Adding to 1013033220 its reverse (223303101), we get a palindrome (1236336321).

The spelling of 1013033220 in words is "one billion, thirteen million, thirty-three thousand, two hundred twenty".