220246104421 has 4 divisors (see below), whose sum is σ = 251709833632. Its totient is φ = 188782375212.

The previous prime is 220246104391. The next prime is 220246104431. The reversal of 220246104421 is 124401642022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220246104421 - 2⁷ = 220246104293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220246104421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220246104431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15731864595 + ... + 15731864608.

It is an arithmetic number, because the mean of its divisors is an integer number (62927458408).

Almost surely, 2^220246104421 is an apocalyptic number.

It is an amenable number.

220246104421 is a deficient number, since it is larger than the sum of its proper divisors (31463729211).

220246104421 is an equidigital number, since it uses as much as digits as its factorization.

220246104421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31463729210.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 220246104421 its reverse (124401642022), we get a palindrome (344647746443).

The spelling of 220246104421 in words is "two hundred twenty billion, two hundred forty-six million, one hundred four thousand, four hundred twenty-one".