220683355427 has 8 divisors (see below), whose sum is σ = 232649029632. Its totient is φ = 209020609800.

The previous prime is 220683355397. The next prime is 220683355429. The reversal of 220683355427 is 724553386022.

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 220683355427 - 2²² = 220679161123 is a prime.

It is a super-2 number, since 2×220683355427² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220683355429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75730649 + ... + 75733562.

It is an arithmetic number, because the mean of its divisors is an integer number (29081128704).

Almost surely, 2^220683355427 is an apocalyptic number.

220683355427 is a deficient number, since it is larger than the sum of its proper divisors (11965674205).

220683355427 is a wasteful number, since it uses less digits than its factorization.

220683355427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151464289.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 220683355427 in words is "two hundred twenty billion, six hundred eighty-three million, three hundred fifty-five thousand, four hundred twenty-seven".