20814298770 has 16 divisors (see below), whose sum is σ = 49954317120. Its totient is φ = 5550479664.

The previous prime is 20814298759. The next prime is 20814298777. The reversal of 20814298770 is 7789241802.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20814298777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 346904950 + ... + 346905009.

It is an arithmetic number, because the mean of its divisors is an integer number (3122144820).

Almost surely, 2^20814298770 is an apocalyptic number.

20814298770 is an abundant number, since it is smaller than the sum of its proper divisors (29140018350).

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

20814298770 is a wasteful number, since it uses less digits than its factorization.

20814298770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693809969.

The product of its (nonzero) digits is 451584, while the sum is 48.

The spelling of 20814298770 in words is "twenty billion, eight hundred fourteen million, two hundred ninety-eight thousand, seven hundred seventy".