6666200624220 has 48 divisors (see below), whose sum is σ = 18691688188320. Its totient is φ = 1775146219776.

The previous prime is 6666200624147. The next prime is 6666200624249. The reversal of 6666200624220 is 224260026666.

It is a super-2 number, since 2×6666200624220² (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 15 ways as a sum of consecutive naturals, for example, 78309607 + ... + 78394686.

It is an arithmetic number, because the mean of its divisors is an integer number (389410170590).

Almost surely, 2^{6666200624220} is an apocalyptic number.

6666200624220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6666200624220 is an abundant number, since it is smaller than the sum of its proper divisors (12025487564100).

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

6666200624220 is a wasteful number, since it uses less digits than its factorization.

6666200624220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156705014 (or 156705012 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 6666200624220 in words is "six trillion, six hundred sixty-six billion, two hundred million, six hundred twenty-four thousand, two hundred twenty".