220147249439 has 8 divisors (see below), whose sum is σ = 237760975200. Its totient is φ = 202630569696.

The previous prime is 220147249433. The next prime is 220147249453. The reversal of 220147249439 is 934942741022.

220147249439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220147249439 - 2²⁰ = 220146200863 is a prime.

It is a super-2 number, since 2×220147249439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220147249393 and 220147249402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220147249433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24256787 + ... + 24265860.

It is an arithmetic number, because the mean of its divisors is an integer number (29720121900).

Almost surely, 2^220147249439 is an apocalyptic number.

220147249439 is a deficient number, since it is larger than the sum of its proper divisors (17613725761).

220147249439 is a wasteful number, since it uses less digits than its factorization.

220147249439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48523009.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 220147249439 in words is "two hundred twenty billion, one hundred forty-seven million, two hundred forty-nine thousand, four hundred thirty-nine".