202120032427 has 2 divisors, whose sum is σ = 202120032428. Its totient is φ = 202120032426.

The previous prime is 202120032403. The next prime is 202120032487. The reversal of 202120032427 is 724230021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202120032427 - 2⁷ = 202120032299 is a prime.

It is not a weakly prime, because it can be changed into another prime (202120032487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060016213 + 101060016214.

It is an arithmetic number, because the mean of its divisors is an integer number (101060016214).

Almost surely, 2^202120032427 is an apocalyptic number.

202120032427 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120032427 is an equidigital number, since it uses as much as digits as its factorization.

202120032427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 202120032427 its reverse (724230021202), we get a palindrome (926350053629).

The spelling of 202120032427 in words is "two hundred two billion, one hundred twenty million, thirty-two thousand, four hundred twenty-seven".