202140020241 has 12 divisors (see below), whose sum is σ = 291987108868. Its totient is φ = 134756745984.

The previous prime is 202140020233. The next prime is 202140020297. The reversal of 202140020241 is 142020041202.

202140020241 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 400 + 20 + 241 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 169921206225 + 32218814016 = 412215^2 + 179496^2 .

It is not a de Polignac number, because 202140020241 - 2³ = 202140020233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202140020221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154761 + ... + 654393.

Almost surely, 2^202140020241 is an apocalyptic number.

It is an amenable number.

202140020241 is a deficient number, since it is larger than the sum of its proper divisors (89847088627).

202140020241 is a wasteful number, since it uses less digits than its factorization.

202140020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544592 (or 544589 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202140020241 its reverse (142020041202), we get a palindrome (344160061443).

The spelling of 202140020241 in words is "two hundred two billion, one hundred forty million, twenty thousand, two hundred forty-one".