20943214822 has 4 divisors (see below), whose sum is σ = 31414822236. Its totient is φ = 10471607410.

The previous prime is 20943214783. The next prime is 20943214883. The reversal of 20943214822 is 22841234902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5235803704 + ... + 5235803707.

It is an arithmetic number, because the mean of its divisors is an integer number (7853705559).

Almost surely, 2^20943214822 is an apocalyptic number.

20943214822 is a deficient number, since it is larger than the sum of its proper divisors (10471607414).

20943214822 is a wasteful number, since it uses less digits than its factorization.

20943214822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10471607413.

The product of its (nonzero) digits is 55296, while the sum is 37.

It can be divided in two parts, 2094 and 3214822, that added together give a triangular number (3216916 = T₂₅₃₆).

The spelling of 20943214822 in words is "twenty billion, nine hundred forty-three million, two hundred fourteen thousand, eight hundred twenty-two".