7820220059 has 4 divisors (see below), whose sum is σ = 7821639480. Its totient is φ = 7818800640.

The previous prime is 7820220017. The next prime is 7820220073. The reversal of 7820220059 is 9500220287.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7820220059 is a prime.

It is a super-2 number, since 2×7820220059² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7820220559) 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, 701414 + ... + 712475.

It is an arithmetic number, because the mean of its divisors is an integer number (1955409870).

Almost surely, 2^7820220059 is an apocalyptic number.

7820220059 is a deficient number, since it is larger than the sum of its proper divisors (1419421).

7820220059 is a wasteful number, since it uses less digits than its factorization.

7820220059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419420.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 7820220059 is about 88432.0081135784. The cubic root of 7820220059 is about 1984.9046907141.

The spelling of 7820220059 in words is "seven billion, eight hundred twenty million, two hundred twenty thousand, fifty-nine".