220054012400 has 30 divisors (see below), whose sum is σ = 528679765752. Its totient is φ = 88021604800.

The previous prime is 220054012307. The next prime is 220054012427. The reversal of 220054012400 is 4210450022.

It is a happy number.

220054012400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275067116 + ... + 275067915.

Almost surely, 2^220054012400 is an apocalyptic number.

220054012400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220054012400 is an abundant number, since it is smaller than the sum of its proper divisors (308625753352).

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

220054012400 is a wasteful number, since it uses less digits than its factorization.

220054012400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550135049 (or 550135038 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 220054012400 its reverse (4210450022), we get a palindrome (224264462422).

The spelling of 220054012400 in words is "two hundred twenty billion, fifty-four million, twelve thousand, four hundred".