2122295920 has 20 divisors (see below), whose sum is σ = 4934338200. Its totient is φ = 848918336.

The previous prime is 2122295911. The next prime is 2122295941. The reversal of 2122295920 is 295922212.

It is a happy number.

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, 13264270 + ... + 13264429.

It is an arithmetic number, because the mean of its divisors is an integer number (246716910).

Almost surely, 2^2122295920 is an apocalyptic number.

2122295920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122295920 is an abundant number, since it is smaller than the sum of its proper divisors (2812042280).

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

2122295920 is a wasteful number, since it uses less digits than its factorization.

2122295920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528712 (or 26528706 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2122295920 is about 46068.3830842803. The cubic root of 2122295920 is about 1285.0952343535.

The spelling of 2122295920 in words is "two billion, one hundred twenty-two million, two hundred ninety-five thousand, nine hundred twenty".