920562636 has 96 divisors (see below), whose sum is σ = 2492517888. Its totient is φ = 259015680.

The previous prime is 920562593. The next prime is 920562637. The reversal of 920562636 is 636265029.

It is a junction number, because it is equal to n+sod(n) for n = 920562594 and 920562603.

It is not an unprimeable number, because it can be changed into a prime (920562637) 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 31 ways as a sum of consecutive naturals, for example, 2780991 + ... + 2781321.

It is an arithmetic number, because the mean of its divisors is an integer number (25963728).

Almost surely, 2^920562636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920562636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246258944).

920562636 is an abundant number, since it is smaller than the sum of its proper divisors (1571955252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920562636 is a wasteful number, since it uses less digits than its factorization.

920562636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 920562636 is about 30340.7751384173. The cubic root of 920562636 is about 972.7870515715.

The spelling of 920562636 in words is "nine hundred twenty million, five hundred sixty-two thousand, six hundred thirty-six".