3204455251220 has 24 divisors (see below), whose sum is σ = 6732025453608. Its totient is φ = 1281273638400.

The previous prime is 3204455251213. The next prime is 3204455251243. The reversal of 3204455251220 is 221525544023.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4606879876 + 3199848371344 = 67874^2 + 1788812^2 .

It is a super-2 number, since 2×3204455251220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 31727201 + ... + 31828040.

It is an arithmetic number, because the mean of its divisors is an integer number (280501060567).

Almost surely, 2^{3204455251220} is an apocalyptic number.

It is an amenable number.

3204455251220 is an abundant number, since it is smaller than the sum of its proper divisors (3527570202388).

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

3204455251220 is a wasteful number, since it uses less digits than its factorization.

3204455251220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63557771 (or 63557769 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 3204455251220 in words is "three trillion, two hundred four billion, four hundred fifty-five million, two hundred fifty-one thousand, two hundred twenty".