33300221020 has 48 divisors (see below), whose sum is σ = 76489257600. Its totient is φ = 12077190720.

The previous prime is 33300220997. The next prime is 33300221029. The reversal of 33300221020 is 2012200333.

It is a super-2 number, since 2×33300221020² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33300220985 and 33300221003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33300221029) 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, 116310 + ... + 283069.

It is an arithmetic number, because the mean of its divisors is an integer number (1593526200).

Almost surely, 2^33300221020 is an apocalyptic number.

It is an amenable number.

33300221020 is an abundant number, since it is smaller than the sum of its proper divisors (43189036580).

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

33300221020 is a wasteful number, since it uses less digits than its factorization.

33300221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399778 (or 399776 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 33300221020 its reverse (2012200333), we get a palindrome (35312421353).

The spelling of 33300221020 in words is "thirty-three billion, three hundred million, two hundred twenty-one thousand, twenty".