202113427 has 2 divisors, whose sum is σ = 202113428. Its totient is φ = 202113426.

The previous prime is 202113413. The next prime is 202113487. The reversal of 202113427 is 724311202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202113427 - 2¹⁹ = 201589139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202113398 and 202113407.

It is not a weakly prime, because it can be changed into another prime (202113487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056713 + 101056714.

It is an arithmetic number, because the mean of its divisors is an integer number (101056714).

Almost surely, 2^202113427 is an apocalyptic number.

202113427 is a deficient number, since it is larger than the sum of its proper divisors (1).

202113427 is an equidigital number, since it uses as much as digits as its factorization.

202113427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 202113427 is about 14216.6601914796. The cubic root of 202113427 is about 586.8562335412.

Adding to 202113427 its reverse (724311202), we get a palindrome (926424629).

The spelling of 202113427 in words is "two hundred two million, one hundred thirteen thousand, four hundred twenty-seven".