1955848220 has 48 divisors (see below), whose sum is σ = 4328553600. Its totient is φ = 740289600.

The previous prime is 1955848207. The next prime is 1955848229. The reversal of 1955848220 is 228485591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955848229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384695 + ... + 389745.

It is an arithmetic number, because the mean of its divisors is an integer number (90178200).

Almost surely, 2^1955848220 is an apocalyptic number.

1955848220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1955848220 is an abundant number, since it is smaller than the sum of its proper divisors (2372705380).

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

1955848220 is a wasteful number, since it uses less digits than its factorization.

1955848220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098 (or 6096 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 1955848220 is about 44224.9728094885. The cubic root of 1955848220 is about 1250.5806838033.

The spelling of 1955848220 in words is "one billion, nine hundred fifty-five million, eight hundred forty-eight thousand, two hundred twenty".