220246553 has 4 divisors (see below), whose sum is σ = 222305040. Its totient is φ = 218188068.

The previous prime is 220246541. The next prime is 220246573. The reversal of 220246553 is 355642022.

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 220246553 - 2⁸ = 220246297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220246513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029083 + ... + 1029296.

It is an arithmetic number, because the mean of its divisors is an integer number (55576260).

Almost surely, 2^220246553 is an apocalyptic number.

It is an amenable number.

220246553 is a deficient number, since it is larger than the sum of its proper divisors (2058487).

220246553 is a wasteful number, since it uses less digits than its factorization.

220246553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058486.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 220246553 is about 14840.7059468207. The cubic root of 220246553 is about 603.9065036997.

Adding to 220246553 its reverse (355642022), we get a palindrome (575888575).

The spelling of 220246553 in words is "two hundred twenty million, two hundred forty-six thousand, five hundred fifty-three".