220204624621 has 8 divisors (see below), whose sum is σ = 233162867520. Its totient is φ = 207246940608.

The previous prime is 220204624603. The next prime is 220204624643. The reversal of 220204624621 is 126426402022.

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 220204624621 - 2¹⁵ = 220204591853 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 (220204604621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887170 + ... + 1107916.

It is an arithmetic number, because the mean of its divisors is an integer number (29145358440).

Almost surely, 2^220204624621 is an apocalyptic number.

It is an amenable number.

220204624621 is a deficient number, since it is larger than the sum of its proper divisors (12958242899).

220204624621 is a wasteful number, since it uses less digits than its factorization.

220204624621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279443.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 220204624621 in words is "two hundred twenty billion, two hundred four million, six hundred twenty-four thousand, six hundred twenty-one".