3242820017720 has 32 divisors (see below), whose sum is σ = 7301436826320. Its totient is φ = 1296222800640.

The previous prime is 3242820017681. The next prime is 3242820017737. The reversal of 3242820017720 is 277100282423.

It is a super-3 number, since 3×3242820017720³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 28229666 + ... + 28344305.

Almost surely, 2^{3242820017720} is an apocalyptic number.

It is an amenable number.

3242820017720 is an abundant number, since it is smaller than the sum of its proper divisors (4058616808600).

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

3242820017720 is a wasteful number, since it uses less digits than its factorization.

3242820017720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56575415 (or 56575411 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 3242820017720 in words is "three trillion, two hundred forty-two billion, eight hundred twenty million, seventeen thousand, seven hundred twenty".