220123452 has 24 divisors (see below), whose sum is σ = 516208000. Its totient is φ = 73004976.

The previous prime is 220123451. The next prime is 220123457. The reversal of 220123452 is 254321022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220123451) 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, 43702 + ... + 48477.

Almost surely, 2^220123452 is an apocalyptic number.

It is an amenable number.

220123452 is an abundant number, since it is smaller than the sum of its proper divisors (296084548).

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

220123452 is a wasteful number, since it uses less digits than its factorization.

220123452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92385 (or 92383 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 220123452 is about 14836.5579566151. The cubic root of 220123452 is about 603.7939701954.

Adding to 220123452 its reverse (254321022), we get a palindrome (474444474).

The spelling of 220123452 in words is "two hundred twenty million, one hundred twenty-three thousand, four hundred fifty-two".