20268422943 has 4 divisors (see below), whose sum is σ = 27024563928. Its totient is φ = 13512281960.

The previous prime is 20268422903. The next prime is 20268422959. The reversal of 20268422943 is 34922486202.

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

It is a cyclic number.

It is not a de Polignac number, because 20268422943 - 2²⁶ = 20201314079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20268422895 and 20268422904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20268422903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378070488 + ... + 3378070493.

It is an arithmetic number, because the mean of its divisors is an integer number (6756140982).

Almost surely, 2^20268422943 is an apocalyptic number.

20268422943 is a deficient number, since it is larger than the sum of its proper divisors (6756140985).

20268422943 is an equidigital number, since it uses as much as digits as its factorization.

20268422943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756140984.

The product of its (nonzero) digits is 331776, while the sum is 42.

It can be divided in two parts, 20268 and 422943, that added together give a triangular number (443211 = T₉₄₁).

The spelling of 20268422943 in words is "twenty billion, two hundred sixty-eight million, four hundred twenty-two thousand, nine hundred forty-three".