920120047 has 8 divisors (see below), whose sum is σ = 1147162752. Its totient is φ = 716976600.

The previous prime is 920119979. The next prime is 920120057. The reversal of 920120047 is 740021029.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920120047 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 (920120057) 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, 5974729 + ... + 5974882.

It is an arithmetic number, because the mean of its divisors is an integer number (143395344).

Almost surely, 2^920120047 is an apocalyptic number.

920120047 is a deficient number, since it is larger than the sum of its proper divisors (227042705).

920120047 is a wasteful number, since it uses less digits than its factorization.

920120047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11949629.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 920120047 is about 30333.4806278475. The cubic root of 920120047 is about 972.6311274119.

The spelling of 920120047 in words is "nine hundred twenty million, one hundred twenty thousand, forty-seven".