220863239652 has 48 divisors (see below), whose sum is σ = 563401343232. Its totient is φ = 66784920480.

The previous prime is 220863239647. The next prime is 220863239657. The reversal of 220863239652 is 256932368022.

It is an interprime number because it is at equal distance from previous prime (220863239647) and next prime (220863239657).

It is a super-2 number, since 2×220863239652² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220863239657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729798 + ... + 1853085.

It is an arithmetic number, because the mean of its divisors is an integer number (11737527984).

Almost surely, 2^220863239652 is an apocalyptic number.

220863239652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220863239652 is an abundant number, since it is smaller than the sum of its proper divisors (342538103580).

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

220863239652 is a wasteful number, since it uses less digits than its factorization.

220863239652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3583368 (or 3583366 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 220863239652 in words is "two hundred twenty billion, eight hundred sixty-three million, two hundred thirty-nine thousand, six hundred fifty-two".