1033011113220 has 144 divisors (see below), whose sum is σ = 3251565582720. Its totient is φ = 275296340736.

The previous prime is 1033011113129. The next prime is 1033011113237. The reversal of 1033011113220 is 223111103301.

1033011113220 is a `hidden beast` number, since 1 + 0 + 330 + 1 + 1 + 11 + 322 + 0 = 666.

It is a super-2 number, since 2×1033011113220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1033011113193 and 1033011113202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7753689 + ... + 7885791.

Almost surely, 2^{1033011113220} is an apocalyptic number.

1033011113220 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 1033011113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625782791360).

1033011113220 is an abundant number, since it is smaller than the sum of its proper divisors (2218554469500).

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

1033011113220 is a wasteful number, since it uses less digits than its factorization.

1033011113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133736 (or 133722 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1033011113220 its reverse (223111103301), we get a palindrome (1256122216521).

The spelling of 1033011113220 in words is "one trillion, thirty-three billion, eleven million, one hundred thirteen thousand, two hundred twenty".