70020202261 has 2 divisors, whose sum is σ = 70020202262. Its totient is φ = 70020202260.

The previous prime is 70020202253. The next prime is 70020202313. The reversal of 70020202261 is 16220202007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39002300100 + 31017902161 = 197490^2 + 176119^2 .

It is a cyclic number.

It is not a de Polignac number, because 70020202261 - 2³ = 70020202253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70020202961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010101130 + 35010101131.

It is an arithmetic number, because the mean of its divisors is an integer number (35010101131).

Almost surely, 2^70020202261 is an apocalyptic number.

It is an amenable number.

70020202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

70020202261 is an equidigital number, since it uses as much as digits as its factorization.

70020202261 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.

Adding to 70020202261 its reverse (16220202007), we get a palindrome (86240404268).

The spelling of 70020202261 in words is "seventy billion, twenty million, two hundred two thousand, two hundred sixty-one".