20858327626 has 8 divisors (see below), whose sum is σ = 31325510304. Its totient is φ = 10416490860.

The previous prime is 20858327597. The next prime is 20858327627. The reversal of 20858327626 is 62672385802.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20858327626.

It is not an unprimeable number, because it can be changed into a prime (20858327627) 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, 6334420 + ... + 6337711.

It is an arithmetic number, because the mean of its divisors is an integer number (3915688788).

Almost surely, 2^20858327626 is an apocalyptic number.

20858327626 is a deficient number, since it is larger than the sum of its proper divisors (10467182678).

20858327626 is a wasteful number, since it uses less digits than its factorization.

20858327626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12672956.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 20858327626 in words is "twenty billion, eight hundred fifty-eight million, three hundred twenty-seven thousand, six hundred twenty-six".