220245020 has 12 divisors (see below), whose sum is σ = 462514584. Its totient is φ = 88098000.

The previous prime is 220244957. The next prime is 220245029. The reversal of 220245020 is 20542022.

220245020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220245020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220245029) 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 3 ways as a sum of consecutive naturals, for example, 5506106 + ... + 5506145.

It is an arithmetic number, because the mean of its divisors is an integer number (38542882).

Almost surely, 2^220245020 is an apocalyptic number.

220245020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220245020 is an abundant number, since it is smaller than the sum of its proper divisors (242269564).

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

220245020 is a wasteful number, since it uses less digits than its factorization.

220245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012260 (or 11012258 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 220245020 is about 14840.6542982444. The cubic root of 220245020 is about 603.9051025566.

Adding to 220245020 its reverse (20542022), we get a palindrome (240787042).

The spelling of 220245020 in words is "two hundred twenty million, two hundred forty-five thousand, twenty".