220042020440 has 64 divisors (see below), whose sum is σ = 546610498560. Its totient is φ = 79051227520.

The previous prime is 220042020409. The next prime is 220042020461. The reversal of 220042020440 is 44020240022.

220042020440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2976104 + ... + 3049143.

It is an arithmetic number, because the mean of its divisors is an integer number (8540789040).

Almost surely, 2^220042020440 is an apocalyptic number.

220042020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220042020440 is an abundant number, since it is smaller than the sum of its proper divisors (326568478120).

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

220042020440 is a wasteful number, since it uses less digits than its factorization.

220042020440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6025352 (or 6025348 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220042020440 its reverse (44020240022), we get a palindrome (264062260462).

The spelling of 220042020440 in words is "two hundred twenty billion, forty-two million, twenty thousand, four hundred forty".