220545712087 has 8 divisors (see below), whose sum is σ = 221198882256. Its totient is φ = 219892643712.

The previous prime is 220545712063. The next prime is 220545712091. The reversal of 220545712087 is 780217545022.

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

It is a cyclic number.

It is not a de Polignac number, because 220545712087 - 2¹⁹ = 220545187799 is a prime.

It is a super-2 number, since 2×220545712087² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220545712027) 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, 8131593 + ... + 8158669.

It is an arithmetic number, because the mean of its divisors is an integer number (27649860282).

Almost surely, 2^220545712087 is an apocalyptic number.

220545712087 is a deficient number, since it is larger than the sum of its proper divisors (653170169).

220545712087 is a wasteful number, since it uses less digits than its factorization.

220545712087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50897.

The product of its (nonzero) digits is 313600, while the sum is 43.

The spelling of 220545712087 in words is "two hundred twenty billion, five hundred forty-five million, seven hundred twelve thousand, eighty-seven".