920681043 has 12 divisors (see below), whose sum is σ = 1295585928. Its totient is φ = 581482080.

The previous prime is 920681011. The next prime is 920681051. The reversal of 920681043 is 340186029.

It is not a de Polignac number, because 920681043 - 2⁵ = 920681011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 920680995 and 920681013.

It is not an unprimeable number, because it can be changed into a prime (920682043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423978 + ... + 426143.

It is an arithmetic number, because the mean of its divisors is an integer number (107965494).

Almost surely, 2^920681043 is an apocalyptic number.

920681043 is a deficient number, since it is larger than the sum of its proper divisors (374904885).

920681043 is a wasteful number, since it uses less digits than its factorization.

920681043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850162 (or 850143 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 920681043 is about 30342.7263606947. The cubic root of 920681043 is about 972.8287578982.

The spelling of 920681043 in words is "nine hundred twenty million, six hundred eighty-one thousand, forty-three".