220590298240 has 64 divisors (see below), whose sum is σ = 567913986360. Its totient is φ = 81448722432.

The previous prime is 220590298223. The next prime is 220590298267. The reversal of 220590298240 is 42892095022.

It can be written as a sum of positive squares in 4 ways, for example, as 114986097216 + 105604201024 = 339096^2 + 324968^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×220590298240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13248309 + ... + 13264948.

Almost surely, 2^220590298240 is an apocalyptic number.

220590298240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220590298240 is an abundant number, since it is smaller than the sum of its proper divisors (347323688120).

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

220590298240 is a wasteful number, since it uses less digits than its factorization.

220590298240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26513289 (or 26513277 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 220590298240 in words is "two hundred twenty billion, five hundred ninety million, two hundred ninety-eight thousand, two hundred forty".