2920005920 has 48 divisors (see below), whose sum is σ = 7429174200. Its totient is φ = 1078155264.

The previous prime is 2920005919. The next prime is 2920005947. The reversal of 2920005920 is 295000292.

It can be written as a sum of positive squares in 4 ways, for example, as 2564004496 + 356001424 = 50636^2 + 18868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699845 + ... + 704004.

Almost surely, 2^2920005920 is an apocalyptic number.

2920005920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2920005920 is an abundant number, since it is smaller than the sum of its proper divisors (4509168280).

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

2920005920 is a wasteful number, since it uses less digits than its factorization.

2920005920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403877 (or 1403869 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2920005920 is about 54037.0791216550. The cubic root of 2920005920 is about 1429.3148656914.

The spelling of 2920005920 in words is "two billion, nine hundred twenty million, five thousand, nine hundred twenty".