20790928313998 has 16 divisors (see below), whose sum is σ = 31249478106000. Its totient is φ = 10374436396800.

The previous prime is 20790928313959. The next prime is 20790928313999. The reversal of 20790928313998 is 89931382909702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20790928313999) by changing a digit.

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, 63129918 + ... + 63458398.

It is an arithmetic number, because the mean of its divisors is an integer number (1953092381625).

Almost surely, 2^{20790928313998} is an apocalyptic number.

20790928313998 is a deficient number, since it is larger than the sum of its proper divisors (10458549792002).

20790928313998 is a wasteful number, since it uses less digits than its factorization.

20790928313998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392403.

The product of its (nonzero) digits is 105815808, while the sum is 70.

The spelling of 20790928313998 in words is "twenty trillion, seven hundred ninety billion, nine hundred twenty-eight million, three hundred thirteen thousand, nine hundred ninety-eight".