30254255555220 has 36 divisors (see below), whose sum is σ = 91771241851380. Its totient is φ = 8067801481344.

The previous prime is 30254255555179. The next prime is 30254255555297. The reversal of 30254255555220 is 2255555245203.

30254255555220 is a `hidden beast` number, since 3 + 0 + 2 + 5 + 4 + 25 + 55 + 552 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6786160460676 + 23468095094544 = 2605026^2 + 4844388^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84039598585 + ... + 84039598944.

Almost surely, 2^{30254255555220} is an apocalyptic number.

30254255555220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30254255555220 is an abundant number, since it is smaller than the sum of its proper divisors (61516986296160).

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

30254255555220 is a wasteful number, since it uses less digits than its factorization.

30254255555220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168079197544 (or 168079197539 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 45.

The spelling of 30254255555220 in words is "thirty trillion, two hundred fifty-four billion, two hundred fifty-five million, five hundred fifty-five thousand, two hundred twenty".