920890692563 has 16 divisors (see below), whose sum is σ = 1006562580480. Its totient is φ = 838721692800.

The previous prime is 920890692541. The next prime is 920890692581. The reversal of 920890692563 is 365296098029.

It is a cyclic number.

It is not a de Polignac number, because 920890692563 - 2⁸ = 920890692307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920890692583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20515298 + ... + 20560136.

It is an arithmetic number, because the mean of its divisors is an integer number (62910161280).

Almost surely, 2^920890692563 is an apocalyptic number.

920890692563 is a deficient number, since it is larger than the sum of its proper divisors (85671887917).

920890692563 is a wasteful number, since it uses less digits than its factorization.

920890692563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83858.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 920890692563 in words is "nine hundred twenty billion, eight hundred ninety million, six hundred ninety-two thousand, five hundred sixty-three".