820206430059 has 8 divisors (see below), whose sum is σ = 1141156772352. Its totient is φ = 523030187240.

The previous prime is 820206430051. The next prime is 820206430129. The reversal of 820206430059 is 950034602028.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 820206430059 - 2³ = 820206430051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 820206429999 and 820206430026.

It is not an unprimeable number, because it can be changed into a prime (820206430051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5943524787 + ... + 5943524924.

It is an arithmetic number, because the mean of its divisors is an integer number (142644596544).

Almost surely, 2^820206430059 is an apocalyptic number.

820206430059 is a deficient number, since it is larger than the sum of its proper divisors (320950342293).

820206430059 is a wasteful number, since it uses less digits than its factorization.

820206430059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887049737.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 820206430059 in words is "eight hundred twenty billion, two hundred six million, four hundred thirty thousand, fifty-nine".