920120667842 has 16 divisors (see below), whose sum is σ = 1410493409280. Its totient is φ = 449969348928.

The previous prime is 920120667833. The next prime is 920120667911. The reversal of 920120667842 is 248766021029.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3146978 + ... + 3426909.

It is an arithmetic number, because the mean of its divisors is an integer number (88155838080).

Almost surely, 2^920120667842 is an apocalyptic number.

920120667842 is a deficient number, since it is larger than the sum of its proper divisors (490372741438).

920120667842 is a wasteful number, since it uses less digits than its factorization.

920120667842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575425.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 920120667842 in words is "nine hundred twenty billion, one hundred twenty million, six hundred sixty-seven thousand, eight hundred forty-two".