220532235656887 has 8 divisors (see below), whose sum is σ = 274949280819072. Its totient is φ = 171843300511800.

The previous prime is 220532235656867. The next prime is 220532235656891. The reversal of 220532235656887 is 788656532235022.

220532235656887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220532235656887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220532235656807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432027504189 + ... + 1432027504342.

It is an arithmetic number, because the mean of its divisors is an integer number (34368660102384).

Almost surely, 2^{220532235656887} is an apocalyptic number.

220532235656887 is a deficient number, since it is larger than the sum of its proper divisors (54417045162185).

220532235656887 is a wasteful number, since it uses less digits than its factorization.

220532235656887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864055008549.

The product of its (nonzero) digits is 290304000, while the sum is 64.

The spelling of 220532235656887 in words is "two hundred twenty trillion, five hundred thirty-two billion, two hundred thirty-five million, six hundred fifty-six thousand, eight hundred eighty-seven".