220140440000 has 140 divisors (see below), whose sum is σ = 587868653064. Its totient is φ = 81282432000.

The previous prime is 220140439963. The next prime is 220140440011. The reversal of 220140440000 is 44041022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 308327 + ... + 731673.

Almost surely, 2^220140440000 is an apocalyptic number.

220140440000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220140440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293934326532).

220140440000 is an abundant number, since it is smaller than the sum of its proper divisors (367728213064).

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

220140440000 is an equidigital number, since it uses as much as digits as its factorization.

220140440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423392 (or 423367 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220140440000 its reverse (44041022), we get a palindrome (220184481022).

The spelling of 220140440000 in words is "two hundred twenty billion, one hundred forty million, four hundred forty thousand".