220696380 has 192 divisors, whose sum is σ = 752976000. Its totient is φ = 53415936.

The previous prime is 220696367. The next prime is 220696387. The reversal of 220696380 is 83696022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220696387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 265806 + ... + 266634.

It is an arithmetic number, because the mean of its divisors is an integer number (3921750).

Almost surely, 2^220696380 is an apocalyptic number.

220696380 is a gapful number since it is divisible by the number (20) 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 220696380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376488000).

220696380 is an abundant number, since it is smaller than the sum of its proper divisors (532279620).

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

220696380 is a wasteful number, since it uses less digits than its factorization.

220696380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 220696380 is about 14855.8533918452. The cubic root of 220696380 is about 604.3173594988.

The spelling of 220696380 in words is "two hundred twenty million, six hundred ninety-six thousand, three hundred eighty".