202004057 has 4 divisors (see below), whose sum is σ = 202043556. Its totient is φ = 201964560.

The previous prime is 202004051. The next prime is 202004059. The reversal of 202004057 is 750400202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68624656 + 133379401 = 8284^2 + 11549^2 .

It is a cyclic number.

It is not a de Polignac number, because 202004057 - 2²⁴ = 185226841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202004051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694 + ... + 22767.

It is an arithmetic number, because the mean of its divisors is an integer number (50510889).

Almost surely, 2^202004057 is an apocalyptic number.

It is an amenable number.

202004057 is a deficient number, since it is larger than the sum of its proper divisors (39499).

202004057 is an equidigital number, since it uses as much as digits as its factorization.

202004057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39498.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 202004057 is about 14212.8131275972. The cubic root of 202004057 is about 586.7503589207.

Adding to 202004057 its reverse (750400202), we get a palindrome (952404259).

The spelling of 202004057 in words is "two hundred two million, four thousand, fifty-seven".