220424502 has 32 divisors (see below), whose sum is σ = 463675392. Its totient is φ = 69721344.

The previous prime is 220424497. The next prime is 220424507. The reversal of 220424502 is 205424022.

220424502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220424497) and next prime (220424507).

It is a super-2 number, since 2×220424502² = 97173922163896008, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220424507) 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, 11238 + ... + 23814.

It is an arithmetic number, because the mean of its divisors is an integer number (14489856).

Almost surely, 2^220424502 is an apocalyptic number.

220424502 is an abundant number, since it is smaller than the sum of its proper divisors (243250890).

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

220424502 is a wasteful number, since it uses less digits than its factorization.

220424502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 220424502 is about 14846.7000373820. The cubic root of 220424502 is about 604.0691027322.

Adding to 220424502 its reverse (205424022), we get a palindrome (425848524).

The spelling of 220424502 in words is "two hundred twenty million, four hundred twenty-four thousand, five hundred two".