84334475220 has 96 divisors (see below), whose sum is σ = 243743423616. Its totient is φ = 21773107200.

The previous prime is 84334475149. The next prime is 84334475221. The reversal of 84334475220 is 2257443348.

It is a super-2 number, since 2×84334475220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84334475221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191412 + ... + 453108.

It is an arithmetic number, because the mean of its divisors is an integer number (2538993996).

Almost surely, 2^84334475220 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 84334475220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121871711808).

84334475220 is an abundant number, since it is smaller than the sum of its proper divisors (159408948396).

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

84334475220 is a wasteful number, since it uses less digits than its factorization.

84334475220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261881 (or 261879 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 84334475220 in words is "eighty-four billion, three hundred thirty-four million, four hundred seventy-five thousand, two hundred twenty".