220530433400 has 24 divisors (see below), whose sum is σ = 512733258120. Its totient is φ = 88212173280.

The previous prime is 220530433349. The next prime is 220530433457. The reversal of 220530433400 is 4334035022.

It is a self number, because there is not a number n which added to its sum of digits gives 220530433400.

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, 551325884 + ... + 551326283.

It is an arithmetic number, because the mean of its divisors is an integer number (21363885755).

Almost surely, 2^220530433400 is an apocalyptic number.

220530433400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220530433400 is an abundant number, since it is smaller than the sum of its proper divisors (292202824720).

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

220530433400 is a wasteful number, since it uses less digits than its factorization.

220530433400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102652183 (or 1102652174 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 220530433400 its reverse (4334035022), we get a palindrome (224864468422).

The spelling of 220530433400 in words is "two hundred twenty billion, five hundred thirty million, four hundred thirty-three thousand, four hundred".