20201141225 has 12 divisors (see below), whose sum is σ = 26522910684. Its totient is φ = 15210270720.

The previous prime is 20201141209. The next prime is 20201141287. The reversal of 20201141225 is 52214110202.

It can be written as a sum of positive squares in 6 ways, for example, as 2184253696 + 18016887529 = 46736^2 + 134227^2 .

It is not a de Polignac number, because 20201141225 - 2⁴ = 20201141209 is a prime.

It is a super-2 number, since 2×20201141225² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20201141197 and 20201141206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23765624 + ... + 23766473.

It is an arithmetic number, because the mean of its divisors is an integer number (2210242557).

Almost surely, 2^20201141225 is an apocalyptic number.

20201141225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20201141225 is a deficient number, since it is larger than the sum of its proper divisors (6321769459).

20201141225 is a wasteful number, since it uses less digits than its factorization.

20201141225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47532124 (or 47532119 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 20201141225 its reverse (52214110202), we get a palindrome (72415251427).

The spelling of 20201141225 in words is "twenty billion, two hundred one million, one hundred forty-one thousand, two hundred twenty-five".