1033100233220 has 96 divisors (see below), whose sum is σ = 2389310058240. Its totient is φ = 372094607360.

The previous prime is 1033100233213. The next prime is 1033100233229. The reversal of 1033100233220 is 223320013301.

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 = 1033100233192 and 1033100233201.

It is not an unprimeable number, because it can be changed into a prime (1033100233229) 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, 38594201 + ... + 38620959.

It is an arithmetic number, because the mean of its divisors is an integer number (24888646440).

Almost surely, 2^{1033100233220} is an apocalyptic number.

1033100233220 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 1033100233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194655029120).

1033100233220 is an abundant number, since it is smaller than the sum of its proper divisors (1356209825020).

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

1033100233220 is a wasteful number, since it uses less digits than its factorization.

1033100233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28445 (or 28443 counting only the distinct ones).

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

Adding to 1033100233220 its reverse (223320013301), we get a palindrome (1256420246521).

The spelling of 1033100233220 in words is "one trillion, thirty-three billion, one hundred million, two hundred thirty-three thousand, two hundred twenty".