1220133354 has 64 divisors (see below), whose sum is σ = 2709780480. Its totient is φ = 363168000.

The previous prime is 1220133353. The next prime is 1220133379. The reversal of 1220133354 is 4533310221.

It is not an unprimeable number, because it can be changed into a prime (1220133353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1256089 + ... + 1257059.

It is an arithmetic number, because the mean of its divisors is an integer number (42340320).

Almost surely, 2^1220133354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220133354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354890240).

1220133354 is an abundant number, since it is smaller than the sum of its proper divisors (1489647126).

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

1220133354 is a wasteful number, since it uses less digits than its factorization.

1220133354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1220133354 is about 34930.4072979403. The cubic root of 1220133354 is about 1068.5686611659.

Adding to 1220133354 its reverse (4533310221), we get a palindrome (5753443575).

The spelling of 1220133354 in words is "one billion, two hundred twenty million, one hundred thirty-three thousand, three hundred fifty-four".