202061538 has 24 divisors (see below), whose sum is σ = 500343168. Its totient is φ = 57731832.

The previous prime is 202061537. The next prime is 202061549. The reversal of 202061538 is 835160202.

202061538 is a `hidden beast` number, since 20 + 20 + 615 + 3 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202061537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801706 + ... + 801957.

It is an arithmetic number, because the mean of its divisors is an integer number (20847632).

Almost surely, 2^202061538 is an apocalyptic number.

202061538 is an abundant number, since it is smaller than the sum of its proper divisors (298281630).

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

202061538 is a wasteful number, since it uses less digits than its factorization.

202061538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603678 (or 1603675 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 202061538 is about 14214.8351379817. The cubic root of 202061538 is about 586.8060076361.

The spelling of 202061538 in words is "two hundred two million, sixty-one thousand, five hundred thirty-eight".