220453121 has 8 divisors (see below), whose sum is σ = 260073984. Its totient is φ = 182864160.

The previous prime is 220453111. The next prime is 220453151. The reversal of 220453121 is 121354022.

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 220453121 - 2¹⁰ = 220452097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220453093 and 220453102.

It is not an unprimeable number, because it can be changed into a prime (220453111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507740 + ... + 508173.

It is an arithmetic number, because the mean of its divisors is an integer number (32509248).

Almost surely, 2^220453121 is an apocalyptic number.

It is an amenable number.

220453121 is a deficient number, since it is larger than the sum of its proper divisors (39620863).

220453121 is a wasteful number, since it uses less digits than its factorization.

220453121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015951.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220453121 is about 14847.6638229723. The cubic root of 220453121 is about 604.0952448736.

Subtracting from 220453121 its reverse (121354022), we obtain a palindrome (99099099).

The spelling of 220453121 in words is "two hundred twenty million, four hundred fifty-three thousand, one hundred twenty-one".