20758714790 has 64 divisors (see below), whose sum is σ = 43188526080. Its totient is φ = 7099952640.

The previous prime is 20758714789. The next prime is 20758714813. The reversal of 20758714790 is 9741785702.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4117091 + ... + 4122129.

It is an arithmetic number, because the mean of its divisors is an integer number (674820720).

Almost surely, 2^20758714790 is an apocalyptic number.

20758714790 is an abundant number, since it is smaller than the sum of its proper divisors (22429811290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20758714790 is a wasteful number, since it uses less digits than its factorization.

20758714790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7277.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 20758714790 in words is "twenty billion, seven hundred fifty-eight million, seven hundred fourteen thousand, seven hundred ninety".