220541020 has 48 divisors (see below), whose sum is σ = 552319488. Its totient is φ = 72325440.

The previous prime is 220541011. The next prime is 220541033. The reversal of 220541020 is 20145022.

It is a junction number, because it is equal to n+sod(n) for n = 220540985 and 220541003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31026 + ... + 37465.

It is an arithmetic number, because the mean of its divisors is an integer number (11506656).

Almost surely, 2^220541020 is an apocalyptic number.

220541020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220541020 is an abundant number, since it is smaller than the sum of its proper divisors (331778468).

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

220541020 is a wasteful number, since it uses less digits than its factorization.

220541020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68530 (or 68528 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 220541020 is about 14850.6235559319. The cubic root of 220541020 is about 604.1755224280.

Adding to 220541020 its reverse (20145022), we get a palindrome (240686042).

The spelling of 220541020 in words is "two hundred twenty million, five hundred forty-one thousand, twenty".