220906752384 has 64 divisors (see below), whose sum is σ = 612295914240. Its totient is φ = 70434034176.

The previous prime is 220906752359. The next prime is 220906752403. The reversal of 220906752384 is 483257609022.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12497212 + ... + 12514875.

It is an arithmetic number, because the mean of its divisors is an integer number (9567123660).

Almost surely, 2^220906752384 is an apocalyptic number.

220906752384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220906752384 is an abundant number, since it is smaller than the sum of its proper divisors (391389161856).

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

220906752384 is a wasteful number, since it uses less digits than its factorization.

220906752384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25012127 (or 25012115 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 220906752384 in words is "two hundred twenty billion, nine hundred six million, seven hundred fifty-two thousand, three hundred eighty-four".