220492587484 has 12 divisors (see below), whose sum is σ = 415543722664. Its totient is φ = 101765809584.

The previous prime is 220492587481. The next prime is 220492587547. The reversal of 220492587484 is 484785294022.

It is a super-2 number, since 2×220492587484² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220492587481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120120982 + ... + 2120121085.

Almost surely, 2^220492587484 is an apocalyptic number.

It is an amenable number.

220492587484 is a deficient number, since it is larger than the sum of its proper divisors (195051135180).

220492587484 is a wasteful number, since it uses less digits than its factorization.

220492587484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240242084 (or 4240242082 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 220492587484 in words is "two hundred twenty billion, four hundred ninety-two million, five hundred eighty-seven thousand, four hundred eighty-four".