33220100220220 has 48 divisors (see below), whose sum is σ = 73438187880960. Its totient is φ = 12587935477824.

The previous prime is 33220100220217. The next prime is 33220100220257. The reversal of 33220100220220 is 2202200102233.

It is a super-2 number, since 2×33220100220220² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3998377 + ... + 9078943.

It is an arithmetic number, because the mean of its divisors is an integer number (1529962247520).

Almost surely, 2^{33220100220220} is an apocalyptic number.

It is an amenable number.

33220100220220 is an abundant number, since it is smaller than the sum of its proper divisors (40218087660740).

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

33220100220220 is a wasteful number, since it uses less digits than its factorization.

33220100220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097802 (or 5097800 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 33220100220220 its reverse (2202200102233), we get a palindrome (35422300322453).

The spelling of 33220100220220 in words is "thirty-three trillion, two hundred twenty billion, one hundred million, two hundred twenty thousand, two hundred twenty".