220231024 has 20 divisors (see below), whose sum is σ = 459520936. Its totient is φ = 101644992.

The previous prime is 220231021. The next prime is 220231027. The reversal of 220231024 is 420132022.

It is an interprime number because it is at equal distance from previous prime (220231021) and next prime (220231027).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 220230989 and 220231007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231021) 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, 529194 + ... + 529609.

Almost surely, 2^220231024 is an apocalyptic number.

It is an amenable number.

220231024 is an abundant number, since it is smaller than the sum of its proper divisors (239289912).

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

220231024 is a wasteful number, since it uses less digits than its factorization.

220231024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058824 (or 1058818 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 220231024 is about 14840.1827482009. The cubic root of 220231024 is about 603.8923100844.

Adding to 220231024 its reverse (420132022), we get a palindrome (640363046).

The spelling of 220231024 in words is "two hundred twenty million, two hundred thirty-one thousand, twenty-four".