920651001 has 8 divisors (see below), whose sum is σ = 1231457760. Its totient is φ = 611805792.

The previous prime is 920650981. The next prime is 920651041. The reversal of 920651001 is 100156029.

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

It is not a de Polignac number, because 920651001 - 2⁷ = 920650873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (920651041) 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, 489291 + ... + 491168.

It is an arithmetic number, because the mean of its divisors is an integer number (153932220).

Almost surely, 2^920651001 is an apocalyptic number.

It is an amenable number.

920651001 is a deficient number, since it is larger than the sum of its proper divisors (310806759).

920651001 is a wasteful number, since it uses less digits than its factorization.

920651001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980775.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 920651001 is about 30342.2313121497. The cubic root of 920651001 is about 972.8181765865.

The spelling of 920651001 in words is "nine hundred twenty million, six hundred fifty-one thousand, one".