220205474901 has 12 divisors (see below), whose sum is σ = 318125152800. Its totient is φ = 146780306280.

The previous prime is 220205474897. The next prime is 220205474917. The reversal of 220205474901 is 109474502022.

220205474901 is a `hidden beast` number, since 2 + 2 + 0 + 20 + 547 + 4 + 90 + 1 = 666.

It is not a de Polignac number, because 220205474901 - 2² = 220205474897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220205474501) 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 11 ways as a sum of consecutive naturals, for example, 1885465 + ... + 1998846.

It is an arithmetic number, because the mean of its divisors is an integer number (26510429400).

Almost surely, 2^220205474901 is an apocalyptic number.

It is an amenable number.

220205474901 is a deficient number, since it is larger than the sum of its proper divisors (97919677899).

220205474901 is a wasteful number, since it uses less digits than its factorization.

220205474901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890616 (or 3890613 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 220205474901 its reverse (109474502022), we get a palindrome (329679976923).

The spelling of 220205474901 in words is "two hundred twenty billion, two hundred five million, four hundred seventy-four thousand, nine hundred one".