220540464361 has 32 divisors (see below), whose sum is σ = 258938104320. Its totient is φ = 183930379776.

The previous prime is 220540464349. The next prime is 220540464401. The reversal of 220540464361 is 163464045022.

It is a cyclic number.

It is not a de Polignac number, because 220540464361 - 2⁵ = 220540464329 is a prime.

It is a super-2 number, since 2×220540464361² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220540464361.

It is not an unprimeable number, because it can be changed into a prime (220540404361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28310455 + ... + 28318243.

It is an arithmetic number, because the mean of its divisors is an integer number (8091815760).

Almost surely, 2^220540464361 is an apocalyptic number.

It is an amenable number.

220540464361 is a deficient number, since it is larger than the sum of its proper divisors (38397639959).

220540464361 is a wasteful number, since it uses less digits than its factorization.

220540464361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 220540464361 in words is "two hundred twenty billion, five hundred forty million, four hundred sixty-four thousand, three hundred sixty-one".