20458802306 has 8 divisors (see below), whose sum is σ = 30969746940. Its totient is φ = 10135553328.

The previous prime is 20458802281. The next prime is 20458802323. The reversal of 20458802306 is 60320885402.

It can be written as a sum of positive squares in 2 ways, for example, as 20407551025 + 51251281 = 142855^2 + 7159^2 .

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 20458802306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46923641 + ... + 46924076.

Almost surely, 2^20458802306 is an apocalyptic number.

20458802306 is a deficient number, since it is larger than the sum of its proper divisors (10510944634).

20458802306 is a wasteful number, since it uses less digits than its factorization.

20458802306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93847828.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 20458802306 in words is "twenty billion, four hundred fifty-eight million, eight hundred two thousand, three hundred six".