220989269952 has 784 divisors, whose sum is σ = 765170651520. Its totient is φ = 62593689600.

The previous prime is 220989269947. The next prime is 220989270011. The reversal of 220989269952 is 259962989022.

220989269952 is a `hidden beast` number, since 2 + 209 + 89 + 269 + 95 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 220989269952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1277394538 + ... + 1277394710.

Almost surely, 2^220989269952 is an apocalyptic number.

220989269952 is a gapful number since it is divisible by the number (22) 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 220989269952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382585325760).

220989269952 is an abundant number, since it is smaller than the sum of its proper divisors (544181381568).

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

220989269952 is a wasteful number, since it uses less digits than its factorization.

220989269952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 220989269952 in words is "two hundred twenty billion, nine hundred eighty-nine million, two hundred sixty-nine thousand, nine hundred fifty-two".