201201110420 has 24 divisors (see below), whose sum is σ = 422725457448. Its totient is φ = 80441753600.

The previous prime is 201201110387. The next prime is 201201110449. The reversal of 201201110420 is 24011102102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2680961284 + 198520149136 = 51778^2 + 445556^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201201110395 and 201201110404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375501 + ... + 2458740.

It is an arithmetic number, because the mean of its divisors is an integer number (17613560727).

Almost surely, 2^201201110420 is an apocalyptic number.

201201110420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201201110420 is an abundant number, since it is smaller than the sum of its proper divisors (221524347028).

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

201201110420 is a wasteful number, since it uses less digits than its factorization.

201201110420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836331 (or 4836329 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201201110420 its reverse (24011102102), we get a palindrome (225212212522).

The spelling of 201201110420 in words is "two hundred one billion, two hundred one million, one hundred ten thousand, four hundred twenty".