920813684468 has 12 divisors (see below), whose sum is σ = 1611658521312. Its totient is φ = 460339821240.

The previous prime is 920813684449. The next prime is 920813684537. The reversal of 920813684468 is 864486318029.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16724330 + ... + 16779297.

It is an arithmetic number, because the mean of its divisors is an integer number (134304876776).

Almost surely, 2^920813684468 is an apocalyptic number.

It is an amenable number.

920813684468 is a deficient number, since it is larger than the sum of its proper divisors (690844836844).

920813684468 is a wasteful number, since it uses less digits than its factorization.

920813684468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33510502 (or 33510500 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 920813684468 in words is "nine hundred twenty billion, eight hundred thirteen million, six hundred eighty-four thousand, four hundred sixty-eight".