220542298081 has 16 divisors (see below), whose sum is σ = 258214682880. Its totient is φ = 184412171520.

The previous prime is 220542298057. The next prime is 220542298129. The reversal of 220542298081 is 180892245022.

It is a cyclic number.

It is not a de Polignac number, because 220542298081 - 2⁷ = 220542297953 is a prime.

It is a super-2 number, since 2×220542298081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220542298051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6874005 + ... + 6906013.

It is an arithmetic number, because the mean of its divisors is an integer number (16138417680).

Almost surely, 2^220542298081 is an apocalyptic number.

It is an amenable number.

220542298081 is a deficient number, since it is larger than the sum of its proper divisors (37672384799).

220542298081 is a wasteful number, since it uses less digits than its factorization.

220542298081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56064.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 220542298081 in words is "two hundred twenty billion, five hundred forty-two million, two hundred ninety-eight thousand, eighty-one".