20826828720334 has 32 divisors (see below), whose sum is σ = 38450949014016. Its totient is φ = 8238880902240.

The previous prime is 20826828720319. The next prime is 20826828720349. The reversal of 20826828720334 is 43302782862802.

It is an interprime number because it is at equal distance from previous prime (20826828720319) and next prime (20826828720349).

It is a super-2 number, since 2×20826828720334² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2865249 + ... + 7061395.

It is an arithmetic number, because the mean of its divisors is an integer number (1201592156688).

Almost surely, 2^{20826828720334} is an apocalyptic number.

20826828720334 is a deficient number, since it is larger than the sum of its proper divisors (17624120293682).

20826828720334 is a wasteful number, since it uses less digits than its factorization.

20826828720334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223440.

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 20826828720334 in words is "twenty trillion, eight hundred twenty-six billion, eight hundred twenty-eight million, seven hundred twenty thousand, three hundred thirty-four".