220351030044420 has 48 divisors (see below), whose sum is σ = 673072237228608. Its totient is φ = 53418431525760.

The previous prime is 220351030044403. The next prime is 220351030044421. The reversal of 220351030044420 is 24440030153022.

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

It is not an unprimeable number, because it can be changed into a prime (220351030044421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166932597859 + ... + 166932599178.

It is an arithmetic number, because the mean of its divisors is an integer number (14022338275596).

Almost surely, 2^{220351030044420} is an apocalyptic number.

220351030044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220351030044420 is an abundant number, since it is smaller than the sum of its proper divisors (452721207184188).

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

220351030044420 is a wasteful number, since it uses less digits than its factorization.

220351030044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333865197060 (or 333865197058 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 220351030044420 its reverse (24440030153022), we get a palindrome (244791060197442).

The spelling of 220351030044420 in words is "two hundred twenty trillion, three hundred fifty-one billion, thirty million, forty-four thousand, four hundred twenty".