220012041440 has 48 divisors (see below), whose sum is σ = 519990755760. Its totient is φ = 87968870400.

The previous prime is 220012041439. The next prime is 220012041443. The reversal of 220012041440 is 44140210022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012041443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113840 + ... + 673040.

It is an arithmetic number, because the mean of its divisors is an integer number (10833140745).

Almost surely, 2^220012041440 is an apocalyptic number.

220012041440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012041440 is an abundant number, since it is smaller than the sum of its proper divisors (299978714320).

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

220012041440 is a wasteful number, since it uses less digits than its factorization.

220012041440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561675 (or 561667 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220012041440 its reverse (44140210022), we get a palindrome (264152251462).

The spelling of 220012041440 in words is "two hundred twenty billion, twelve million, forty-one thousand, four hundred forty".