202015420213 has 2 divisors, whose sum is σ = 202015420214. Its totient is φ = 202015420212.

The previous prime is 202015420199. The next prime is 202015420219. The reversal of 202015420213 is 312024510202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129386248209 + 72629172004 = 359703^2 + 269498^2 .

It is a cyclic number.

It is not a de Polignac number, because 202015420213 - 2¹³ = 202015412021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202015420219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101007710106 + 101007710107.

It is an arithmetic number, because the mean of its divisors is an integer number (101007710107).

Almost surely, 2^202015420213 is an apocalyptic number.

It is an amenable number.

202015420213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202015420213 is an equidigital number, since it uses as much as digits as its factorization.

202015420213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 202015420213 its reverse (312024510202), we get a palindrome (514039930415).

The spelling of 202015420213 in words is "two hundred two billion, fifteen million, four hundred twenty thousand, two hundred thirteen".