220669696 has 72 divisors (see below), whose sum is σ = 482580224. Its totient is φ = 100085760.

The previous prime is 220669681. The next prime is 220669699. The reversal of 220669696 is 696966022.

It is a super-2 number, since 2×220669696² = 97390229465464832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220669699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202465 + ... + 203551.

Almost surely, 2^220669696 is an apocalyptic number.

220669696 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220669696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241290112).

220669696 is an abundant number, since it is smaller than the sum of its proper divisors (261910528).

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

220669696 is a wasteful number, since it uses less digits than its factorization.

220669696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 220669696 is about 14854.9552675193. The cubic root of 220669696 is about 604.2930028776.

The spelling of 220669696 in words is "two hundred twenty million, six hundred sixty-nine thousand, six hundred ninety-six".