820673350 has 96 divisors (see below), whose sum is σ = 1840882176. Its totient is φ = 266112000.

The previous prime is 820673341. The next prime is 820673377. The reversal of 820673350 is 53376028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780325 + ... + 781375.

It is an arithmetic number, because the mean of its divisors is an integer number (19175856).

Almost surely, 2^820673350 is an apocalyptic number.

820673350 is an abundant number, since it is smaller than the sum of its proper divisors (1020208826).

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

820673350 is a wasteful number, since it uses less digits than its factorization.

820673350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 820673350 is about 28647.3969149031. The cubic root of 820673350 is about 936.2462909901.

The spelling of 820673350 in words is "eight hundred twenty million, six hundred seventy-three thousand, three hundred fifty".