34421521220 has 24 divisors (see below), whose sum is σ = 72960761664. Its totient is φ = 13639929056.

The previous prime is 34421521219. The next prime is 34421521279. The reversal of 34421521220 is 2212512443.

It is a super-3 number, since 3×34421521220³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 34421521220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8040272 + ... + 8044551.

It is an arithmetic number, because the mean of its divisors is an integer number (3040031736).

Almost surely, 2^34421521220 is an apocalyptic number.

It is an amenable number.

34421521220 is an abundant number, since it is smaller than the sum of its proper divisors (38539240444).

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

34421521220 is a wasteful number, since it uses less digits than its factorization.

34421521220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16084939 (or 16084937 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 34421521220 in words is "thirty-four billion, four hundred twenty-one million, five hundred twenty-one thousand, two hundred twenty".