2920423280 has 20 divisors (see below), whose sum is σ = 6789984312. Its totient is φ = 1168169280.

The previous prime is 2920423267. The next prime is 2920423313. The reversal of 2920423280 is 823240292.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18252566 + ... + 18252725.

Almost surely, 2^2920423280 is an apocalyptic number.

2920423280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2920423280 is an abundant number, since it is smaller than the sum of its proper divisors (3869561032).

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

2920423280 is a wasteful number, since it uses less digits than its factorization.

2920423280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36505304 (or 36505298 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2920423280 is about 54040.9407764151. The cubic root of 2920423280 is about 1429.3829603516.

The spelling of 2920423280 in words is "two billion, nine hundred twenty million, four hundred twenty-three thousand, two hundred eighty".