920773308 has 144 divisors (see below), whose sum is σ = 2711667840. Its totient is φ = 241024896.

The previous prime is 920773291. The next prime is 920773327. The reversal of 920773308 is 803377029.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1245603 + ... + 1246341.

Almost surely, 2^920773308 is an apocalyptic number.

920773308 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920773308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355833920).

920773308 is an abundant number, since it is smaller than the sum of its proper divisors (1790894532).

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

920773308 is a wasteful number, since it uses less digits than its factorization.

920773308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 927 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 920773308 is about 30344.2467034527. The cubic root of 920773308 is about 972.8612537873.

The spelling of 920773308 in words is "nine hundred twenty million, seven hundred seventy-three thousand, three hundred eight".