1220033000 has 64 divisors (see below), whose sum is σ = 2868203520. Its totient is φ = 485736000.

The previous prime is 1220032943. The next prime is 1220033011. The reversal of 1220033000 is 3300221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220265 + ... + 225735.

It is an arithmetic number, because the mean of its divisors is an integer number (44815680).

Almost surely, 2^1220033000 is an apocalyptic number.

1220033000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434101760).

1220033000 is an abundant number, since it is smaller than the sum of its proper divisors (1648170520).

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

1220033000 is a wasteful number, since it uses less digits than its factorization.

1220033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5701 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1220033000 is about 34928.9707835773. The cubic root of 1220033000 is about 1068.5393643465.

Adding to 1220033000 its reverse (3300221), we get a palindrome (1223333221).

The spelling of 1220033000 in words is "one billion, two hundred twenty million, thirty-three thousand".