220865504130 has 48 divisors (see below), whose sum is σ = 579617161344. Its totient is φ = 58347021600.

The previous prime is 220865504077. The next prime is 220865504131. The reversal of 220865504130 is 31405568022.

220865504130 is a `hidden beast` number, since 2 + 20 + 86 + 550 + 4 + 1 + 3 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (220865504131) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11457946 + ... + 11477205.

It is an arithmetic number, because the mean of its divisors is an integer number (12075357528).

Almost surely, 2^220865504130 is an apocalyptic number.

220865504130 is an abundant number, since it is smaller than the sum of its proper divisors (358751657214).

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

220865504130 is a wasteful number, since it uses less digits than its factorization.

220865504130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22935271 (or 22935268 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 220865504130 in words is "two hundred twenty billion, eight hundred sixty-five million, five hundred four thousand, one hundred thirty".