20550530049120 has 120 divisors (see below), whose sum is σ = 72526245677424. Its totient is φ = 5480141342976.

The previous prime is 20550530049113. The next prime is 20550530049139. The reversal of 20550530049120 is 2194003505502.

It is a happy number.

20550530049120 is a `hidden beast` number, since 2 + 0 + 550 + 53 + 0 + 0 + 49 + 12 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×20550530049120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 792831564 + ... + 792857483.

Almost surely, 2^{20550530049120} is an apocalyptic number.

20550530049120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20550530049120 is an abundant number, since it is smaller than the sum of its proper divisors (51975715628304).

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

20550530049120 is a wasteful number, since it uses less digits than its factorization.

20550530049120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585689074 (or 1585689057 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 20550530049120 in words is "twenty trillion, five hundred fifty billion, five hundred thirty million, forty-nine thousand, one hundred twenty".