20705002059 has 8 divisors (see below), whose sum is σ = 31550479360. Its totient is φ = 11831429736.

The previous prime is 20705002057. The next prime is 20705002067. The reversal of 20705002059 is 95020050702.

It is a happy number.

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

It is not a de Polignac number, because 20705002059 - 2¹ = 20705002057 is a prime.

It is a super-2 number, since 2×20705002059² (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 (20705002057) 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, 492976219 + ... + 492976260.

It is an arithmetic number, because the mean of its divisors is an integer number (3943809920).

Almost surely, 2^20705002059 is an apocalyptic number.

20705002059 is a deficient number, since it is larger than the sum of its proper divisors (10845477301).

20705002059 is an equidigital number, since it uses as much as digits as its factorization.

20705002059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985952489.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 20705002059 in words is "twenty billion, seven hundred five million, two thousand, fifty-nine".