200204440420 has 12 divisors (see below), whose sum is σ = 420429324924. Its totient is φ = 80081776160.

The previous prime is 200204440361. The next prime is 200204440439. The reversal of 200204440420 is 24044402002.

It can be written as a sum of positive squares in 2 ways, for example, as 115625841444 + 84578598976 = 340038^2 + 290824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 200204440391 and 200204440400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005110991 + ... + 5005111030.

It is an arithmetic number, because the mean of its divisors is an integer number (35035777077).

Almost surely, 2^200204440420 is an apocalyptic number.

200204440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200204440420 is an abundant number, since it is smaller than the sum of its proper divisors (220224884504).

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

200204440420 is a wasteful number, since it uses less digits than its factorization.

200204440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010222030 (or 10010222028 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 200204440420 its reverse (24044402002), we get a palindrome (224248842422).

The spelling of 200204440420 in words is "two hundred billion, two hundred four million, four hundred forty thousand, four hundred twenty".