220452870 has 96 divisors (see below), whose sum is σ = 591411456. Its totient is φ = 52147200.

The previous prime is 220452853. The next prime is 220452887. The reversal of 220452870 is 78254022.

It is an interprime number because it is at equal distance from previous prime (220452853) and next prime (220452887).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2272662 + ... + 2272758.

It is an arithmetic number, because the mean of its divisors is an integer number (6160536).

Almost surely, 2^220452870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220452870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295705728).

220452870 is an abundant number, since it is smaller than the sum of its proper divisors (370958586).

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

220452870 is a wasteful number, since it uses less digits than its factorization.

220452870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 220452870 is about 14847.6553704617. The cubic root of 220452870 is about 604.0950156065.

The spelling of 220452870 in words is "two hundred twenty million, four hundred fifty-two thousand, eight hundred seventy".