820926733 has 8 divisors (see below), whose sum is σ = 919761120. Its totient is φ = 726126480.

The previous prime is 820926731. The next prime is 820926761. The reversal of 820926733 is 337629028.

820926733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 820926733 - 2¹ = 820926731 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820926731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008103 + ... + 1008916.

It is an arithmetic number, because the mean of its divisors is an integer number (114970140).

Almost surely, 2^820926733 is an apocalyptic number.

It is an amenable number.

820926733 is a deficient number, since it is larger than the sum of its proper divisors (98834387).

820926733 is a wasteful number, since it uses less digits than its factorization.

820926733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017067.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 820926733 is about 28651.8190172980. The cubic root of 820926733 is about 936.3426364619.

The spelling of 820926733 in words is "eight hundred twenty million, nine hundred twenty-six thousand, seven hundred thirty-three".