70020202217 has 4 divisors (see below), whose sum is σ = 80023088256. Its totient is φ = 60017316180.

The previous prime is 70020202163. The next prime is 70020202253. The reversal of 70020202217 is 71220202007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70020202217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70020202192 and 70020202201.

It is not an unprimeable number, because it can be changed into a prime (70020262217) 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, 5001443009 + ... + 5001443022.

It is an arithmetic number, because the mean of its divisors is an integer number (20005772064).

Almost surely, 2^70020202217 is an apocalyptic number.

It is an amenable number.

70020202217 is a deficient number, since it is larger than the sum of its proper divisors (10002886039).

70020202217 is a wasteful number, since it uses less digits than its factorization.

70020202217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002886038.

The product of its (nonzero) digits is 784, while the sum is 23.

The spelling of 70020202217 in words is "seventy billion, twenty million, two hundred two thousand, two hundred seventeen".