220169484 has 18 divisors (see below), whose sum is σ = 556539620. Its totient is φ = 73389816.

The previous prime is 220169483. The next prime is 220169491. The reversal of 220169484 is 484961022.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6115819 = 220169484 / (2 + 2 + 0 + 1 + 6 + 9 + 4 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (220169483) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3057874 + ... + 3057945.

Almost surely, 2^220169484 is an apocalyptic number.

It is an amenable number.

220169484 is an abundant number, since it is smaller than the sum of its proper divisors (336370136).

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

220169484 is a wasteful number, since it uses less digits than its factorization.

220169484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115829 (or 6115824 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 220169484 is about 14838.1091787330. The cubic root of 220169484 is about 603.8360555292.

The spelling of 220169484 in words is "two hundred twenty million, one hundred sixty-nine thousand, four hundred eighty-four".