3234547745220 has 384 divisors, whose sum is σ = 10329804495360. Its totient is φ = 749279232000.

The previous prime is 3234547745197. The next prime is 3234547745227. The reversal of 3234547745220 is 225477454323.

It is a happy number.

It is a super-2 number, since 2×3234547745220² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3234547745220.

It is not an unprimeable number, because it can be changed into a prime (3234547745227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1016832030 + ... + 1016835210.

It is an arithmetic number, because the mean of its divisors is an integer number (26900532540).

Almost surely, 2^{3234547745220} is an apocalyptic number.

3234547745220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3234547745220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5164902247680).

3234547745220 is an abundant number, since it is smaller than the sum of its proper divisors (7095256750140).

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

3234547745220 is a wasteful number, since it uses less digits than its factorization.

3234547745220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 48.

The spelling of 3234547745220 in words is "three trillion, two hundred thirty-four billion, five hundred forty-seven million, seven hundred forty-five thousand, two hundred twenty".