103333021220 has 96 divisors (see below), whose sum is σ = 257461134336. Its totient is φ = 34341696000.

The previous prime is 103333021217. The next prime is 103333021223. The reversal of 103333021220 is 22120333301.

It is an interprime number because it is at equal distance from previous prime (103333021217) and next prime (103333021223).

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 = 103333021192 and 103333021201.

It is not an unprimeable number, because it can be changed into a prime (103333021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109997 + ... + 467723.

It is an arithmetic number, because the mean of its divisors is an integer number (2681886816).

Almost surely, 2^103333021220 is an apocalyptic number.

103333021220 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 103333021220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128730567168).

103333021220 is an abundant number, since it is smaller than the sum of its proper divisors (154128113116).

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

103333021220 is a wasteful number, since it uses less digits than its factorization.

103333021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357861 (or 357859 counting only the distinct ones).

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

Adding to 103333021220 its reverse (22120333301), we get a palindrome (125453354521).

The spelling of 103333021220 in words is "one hundred three billion, three hundred thirty-three million, twenty-one thousand, two hundred twenty".