220224022400 has 48 divisors (see below), whose sum is σ = 544022163240. Its totient is φ = 88089607680.

The previous prime is 220224022397. The next prime is 220224022409. The reversal of 220224022400 is 4220422022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220224022409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34406804 + ... + 34413203.

Almost surely, 2^220224022400 is an apocalyptic number.

220224022400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220224022400 is an abundant number, since it is smaller than the sum of its proper divisors (323798140840).

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

220224022400 is an equidigital number, since it uses as much as digits as its factorization.

220224022400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68820031 (or 68820014 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220224022400 its reverse (4220422022), we get a palindrome (224444444422).

The spelling of 220224022400 in words is "two hundred twenty billion, two hundred twenty-four million, twenty-two thousand, four hundred".