220140011648 has 72 divisors (see below), whose sum is σ = 443684529405. Its totient is φ = 108798670848.

The previous prime is 220140011639. The next prime is 220140011671. The reversal of 220140011648 is 846110041022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 139033528384 + 81106483264 = 372872^2 + 284792^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331768.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220140011648.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 599836361 + ... + 599836727.

Almost surely, 2^220140011648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220140011648

220140011648 is an abundant number, since it is smaller than the sum of its proper divisors (223544517757).

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

220140011648 is an frugal number, since it uses more digits than its factorization.

220140011648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 220140011648 in words is "two hundred twenty billion, one hundred forty million, eleven thousand, six hundred forty-eight".