220246842280 has 16 divisors (see below), whose sum is σ = 495555395220. Its totient is φ = 88098736896.

The previous prime is 220246842259. The next prime is 220246842313. The reversal of 220246842280 is 82248642022.

It can be written as a sum of positive squares in 2 ways, for example, as 197471806884 + 22775035396 = 444378^2 + 150914^2 .

It is a super-2 number, since 2×220246842280² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 5506171057 = 220246842280 / (2 + 2 + 0 + 2 + 4 + 6 + 8 + 4 + 2 + 2 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753085489 + ... + 2753085568.

Almost surely, 2^220246842280 is an apocalyptic number.

220246842280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220246842280 is an abundant number, since it is smaller than the sum of its proper divisors (275308552940).

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

220246842280 is a wasteful number, since it uses less digits than its factorization.

220246842280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506171068 (or 5506171064 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 220246842280 in words is "two hundred twenty billion, two hundred forty-six million, eight hundred forty-two thousand, two hundred eighty".