34440120220 has 96 divisors (see below), whose sum is σ = 83646130176. Its totient is φ = 11792044800.

The previous prime is 34440120163. The next prime is 34440120241. The reversal of 34440120220 is 2202104443.

It is a happy number.

It is a super-2 number, since 2×34440120220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 34440120191 and 34440120200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184099 + ... + 320581.

It is an arithmetic number, because the mean of its divisors is an integer number (871313856).

Almost surely, 2^34440120220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34440120220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41823065088).

34440120220 is an abundant number, since it is smaller than the sum of its proper divisors (49206009956).

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

34440120220 is a wasteful number, since it uses less digits than its factorization.

34440120220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136571 (or 136569 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 34440120220 its reverse (2202104443), we get a palindrome (36642224663).

The spelling of 34440120220 in words is "thirty-four billion, four hundred forty million, one hundred twenty thousand, two hundred twenty".