201203044420 has 144 divisors (see below), whose sum is σ = 498584782080. Its totient is φ = 67994035200.

The previous prime is 201203044411. The next prime is 201203044513. The reversal of 201203044420 is 24440302102.

It is a happy number.

It is a super-3 number, since 3×201203044420³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201203044391 and 201203044400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53495340 + ... + 53499100.

It is an arithmetic number, because the mean of its divisors is an integer number (3462394320).

Almost surely, 2^201203044420 is an apocalyptic number.

201203044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201203044420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249292391040).

201203044420 is an abundant number, since it is smaller than the sum of its proper divisors (297381737660).

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

201203044420 is a wasteful number, since it uses less digits than its factorization.

201203044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 201203044420 its reverse (24440302102), we get a palindrome (225643346522).

The spelling of 201203044420 in words is "two hundred one billion, two hundred three million, forty-four thousand, four hundred twenty".