30554100566220 has 432 divisors, whose sum is σ = 109422041508864. Its totient is φ = 6346970784000.

The previous prime is 30554100566159. The next prime is 30554100566221. The reversal of 30554100566220 is 2266500145503.

It is a super-2 number, since 2×30554100566220² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30554100566221) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1369943589 + ... + 1369965891.

It is an arithmetic number, because the mean of its divisors is an integer number (253291762752).

Almost surely, 2^{30554100566220} is an apocalyptic number.

30554100566220 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 30554100566220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54711020754432).

30554100566220 is an abundant number, since it is smaller than the sum of its proper divisors (78867940942644).

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

30554100566220 is a wasteful number, since it uses less digits than its factorization.

30554100566220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26202 (or 26182 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 30554100566220 in words is "thirty trillion, five hundred fifty-four billion, one hundred million, five hundred sixty-six thousand, two hundred twenty".