220443003020 has 48 divisors (see below), whose sum is σ = 473417699328. Its totient is φ = 86184665280.

The previous prime is 220443003017. The next prime is 220443003047. The reversal of 220443003020 is 20300344022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220443002983 and 220443003001.

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, 540605 + ... + 856235.

It is an arithmetic number, because the mean of its divisors is an integer number (9862868736).

Almost surely, 2^220443003020 is an apocalyptic number.

220443003020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220443003020 is an abundant number, since it is smaller than the sum of its proper divisors (252974696308).

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

220443003020 is a wasteful number, since it uses less digits than its factorization.

220443003020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316430 (or 316428 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 220443003020 its reverse (20300344022), we get a palindrome (240743347042).

The spelling of 220443003020 in words is "two hundred twenty billion, four hundred forty-three million, three thousand, twenty".