1350205980 has 24 divisors (see below), whose sum is σ = 3780576912. Its totient is φ = 360054912.

The previous prime is 1350205937. The next prime is 1350205981. The reversal of 1350205980 is 895020531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350205981) 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, 11251657 + ... + 11251776.

It is an arithmetic number, because the mean of its divisors is an integer number (157524038).

Almost surely, 2^1350205980 is an apocalyptic number.

1350205980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350205980 is an abundant number, since it is smaller than the sum of its proper divisors (2430370932).

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

1350205980 is a wasteful number, since it uses less digits than its factorization.

1350205980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22503445 (or 22503443 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1350205980 is about 36745.1490675980. The cubic root of 1350205980 is about 1105.2656568675.

The spelling of 1350205980 in words is "one billion, three hundred fifty million, two hundred five thousand, nine hundred eighty".