2620967920 has 40 divisors (see below), whose sum is σ = 6414477840. Its totient is φ = 993208320.

The previous prime is 2620967897. The next prime is 2620967929. The reversal of 2620967920 is 297690262.

2620967920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620967929) 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, 860641 + ... + 863680.

It is an arithmetic number, because the mean of its divisors is an integer number (160361946).

Almost surely, 2^2620967920 is an apocalyptic number.

2620967920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2620967920 is an abundant number, since it is smaller than the sum of its proper divisors (3793509920).

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

2620967920 is a wasteful number, since it uses less digits than its factorization.

2620967920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724353 (or 1724347 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2620967920 is about 51195.3896361772. The cubic root of 2620967920 is about 1378.7554276468.

The spelling of 2620967920 in words is "two billion, six hundred twenty million, nine hundred sixty-seven thousand, nine hundred twenty".