920654424 has 320 divisors, whose sum is σ = 2913292800. Its totient is φ = 270418176.

The previous prime is 920654417. The next prime is 920654447. The reversal of 920654424 is 424456029.

920654424 is a `hidden beast` number, since 9 + 206 + 5 + 442 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19588369 + ... + 19588415.

It is an arithmetic number, because the mean of its divisors is an integer number (9104040).

Almost surely, 2^920654424 is an apocalyptic number.

920654424 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 920654424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456646400).

920654424 is an abundant number, since it is smaller than the sum of its proper divisors (1992638376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

920654424 is a wasteful number, since it uses less digits than its factorization.

920654424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 920654424 is about 30342.2877186279. The cubic root of 920654424 is about 972.8193822379.

The spelling of 920654424 in words is "nine hundred twenty million, six hundred fifty-four thousand, four hundred twenty-four".