220289692 has 48 divisors (see below), whose sum is σ = 451897600. Its totient is φ = 93922416.

The previous prime is 220289687. The next prime is 220289711. The reversal of 220289692 is 296982022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420943 + ... + 421465.

Almost surely, 2^220289692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220289692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225948800).

220289692 is an abundant number, since it is smaller than the sum of its proper divisors (231607908).

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

220289692 is a wasteful number, since it uses less digits than its factorization.

220289692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 220289692 is about 14842.1592768707. The cubic root of 220289692 is about 603.9459295486.

The spelling of 220289692 in words is "two hundred twenty million, two hundred eighty-nine thousand, six hundred ninety-two".