920273730191 has 16 divisors (see below), whose sum is σ = 960112859136. Its totient is φ = 881082900000.

The previous prime is 920273730163. The next prime is 920273730247. The reversal of 920273730191 is 191037372029.

It is a cyclic number.

It is not a de Polignac number, because 920273730191 - 2¹⁸ = 920273468047 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920273730121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3928286 + ... + 4155956.

It is an arithmetic number, because the mean of its divisors is an integer number (60007053696).

Almost surely, 2^920273730191 is an apocalyptic number.

920273730191 is a deficient number, since it is larger than the sum of its proper divisors (39839128945).

920273730191 is a wasteful number, since it uses less digits than its factorization.

920273730191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229094.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 920273730191 in words is "nine hundred twenty billion, two hundred seventy-three million, seven hundred thirty thousand, one hundred ninety-one".