20790361915 has 8 divisors (see below), whose sum is σ = 24949405008. Its totient is φ = 16631642400.

The previous prime is 20790361909. The next prime is 20790361937. The reversal of 20790361915 is 51916309702.

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

It is not a de Polignac number, because 20790361915 - 2⁵ = 20790361883 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95389 + ... + 225121.

It is an arithmetic number, because the mean of its divisors is an integer number (3118675626).

Almost surely, 2^20790361915 is an apocalyptic number.

20790361915 is a deficient number, since it is larger than the sum of its proper divisors (4159043093).

20790361915 is a wasteful number, since it uses less digits than its factorization.

20790361915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161789.

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 20790361915 in words is "twenty billion, seven hundred ninety million, three hundred sixty-one thousand, nine hundred fifteen".