920071039 has 4 divisors (see below), whose sum is σ = 926787024. Its totient is φ = 913355056.

The previous prime is 920071027. The next prime is 920071073. The reversal of 920071039 is 930170029.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 920071039 - 2⁵ = 920071007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920071039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920071079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3357787 + ... + 3358060.

It is an arithmetic number, because the mean of its divisors is an integer number (231696756).

Almost surely, 2^920071039 is an apocalyptic number.

920071039 is a deficient number, since it is larger than the sum of its proper divisors (6715985).

920071039 is a wasteful number, since it uses less digits than its factorization.

920071039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715984.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 920071039 is about 30332.6727968374. The cubic root of 920071039 is about 972.6138588128.

The spelling of 920071039 in words is "nine hundred twenty million, seventy-one thousand, thirty-nine".