220133454 has 32 divisors (see below), whose sum is σ = 448830720. Its totient is φ = 71964672.

The previous prime is 220133453. The next prime is 220133503. The reversal of 220133454 is 454331022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220133453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64462 + ... + 67790.

It is an arithmetic number, because the mean of its divisors is an integer number (14025960).

Almost surely, 2^220133454 is an apocalyptic number.

220133454 is an abundant number, since it is smaller than the sum of its proper divisors (228697266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220133454 is a wasteful number, since it uses less digits than its factorization.

220133454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 220133454 is about 14836.8950255773. The cubic root of 220133454 is about 603.8031151484.

Adding to 220133454 its reverse (454331022), we get a palindrome (674464476).

The spelling of 220133454 in words is "two hundred twenty million, one hundred thirty-three thousand, four hundred fifty-four".