920155043397 has 8 divisors (see below), whose sum is σ = 1227823724320. Its totient is φ = 612961529040.

The previous prime is 920155043377. The next prime is 920155043413. The reversal of 920155043397 is 793340551029.

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

It is not a de Polignac number, because 920155043397 - 2¹¹ = 920155041349 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 (920155043347) 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, 118787122 + ... + 118794867.

It is an arithmetic number, because the mean of its divisors is an integer number (153477965540).

Almost surely, 2^920155043397 is an apocalyptic number.

It is an amenable number.

920155043397 is a deficient number, since it is larger than the sum of its proper divisors (307668680923).

920155043397 is a wasteful number, since it uses less digits than its factorization.

920155043397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237583283.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The spelling of 920155043397 in words is "nine hundred twenty billion, one hundred fifty-five million, forty-three thousand, three hundred ninety-seven".