220245240504 has 32 divisors (see below), whose sum is σ = 550633925520. Its totient is φ = 73412303616.

The previous prime is 220245240503. The next prime is 220245240521. The reversal of 220245240504 is 405042542022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220245240503) 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, 532972 + ... + 851204.

Almost surely, 2^220245240504 is an apocalyptic number.

220245240504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220245240504 is an abundant number, since it is smaller than the sum of its proper divisors (330388685016).

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

220245240504 is a wasteful number, since it uses less digits than its factorization.

220245240504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347079 (or 347075 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 220245240504 its reverse (405042542022), we get a palindrome (625287782526).

The spelling of 220245240504 in words is "two hundred twenty billion, two hundred forty-five million, two hundred forty thousand, five hundred four".