920812116 has 72 divisors (see below), whose sum is σ = 2507979936. Its totient is φ = 262180800.

The previous prime is 920812111. The next prime is 920812117. The reversal of 920812116 is 611218029.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920812111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177966 + ... + 183066.

Almost surely, 2^920812116 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 920812116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253989968).

920812116 is an abundant number, since it is smaller than the sum of its proper divisors (1587167820).

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

920812116 is a wasteful number, since it uses less digits than its factorization.

920812116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5420 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 920812116 is about 30344.8861589560. The cubic root of 920812116 is about 972.8749213820.

The spelling of 920812116 in words is "nine hundred twenty million, eight hundred twelve thousand, one hundred sixteen".