7020557197 has 4 divisors (see below), whose sum is σ = 7247026816. Its totient is φ = 6794087580.

The previous prime is 7020557183. The next prime is 7020557207. The reversal of 7020557197 is 7917550207.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7917550207 = 7 ⋅1131078601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7020557197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7020557107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113234763 + ... + 113234824.

It is an arithmetic number, because the mean of its divisors is an integer number (1811756704).

Almost surely, 2^7020557197 is an apocalyptic number.

It is an amenable number.

7020557197 is a deficient number, since it is larger than the sum of its proper divisors (226469619).

7020557197 is a wasteful number, since it uses less digits than its factorization.

7020557197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226469618.

The product of its (nonzero) digits is 154350, while the sum is 43.

The square root of 7020557197 is about 83788.7653387971. The cubic root of 7020557197 is about 1914.8019480363.

The spelling of 7020557197 in words is "seven billion, twenty million, five hundred fifty-seven thousand, one hundred ninety-seven".