920320299543 has 32 divisors (see below), whose sum is σ = 1270827058176. Its totient is φ = 592053331968.

The previous prime is 920320299539. The next prime is 920320299551. The reversal of 920320299543 is 345992023029.

It is not a de Polignac number, because 920320299543 - 2² = 920320299539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920320299492 and 920320299501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920320299643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31554055 + ... + 31583207.

It is an arithmetic number, because the mean of its divisors is an integer number (39713345568).

Almost surely, 2^920320299543 is an apocalyptic number.

920320299543 is a deficient number, since it is larger than the sum of its proper divisors (350506758633).

920320299543 is a wasteful number, since it uses less digits than its factorization.

920320299543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32343.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 920320299543 in words is "nine hundred twenty billion, three hundred twenty million, two hundred ninety-nine thousand, five hundred forty-three".