1355745020 has 48 divisors (see below), whose sum is σ = 3261881280. Its totient is φ = 463670784.

The previous prime is 1355744993. The next prime is 1355745029. The reversal of 1355745020 is 205475531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355745029) 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, 45422 + ... + 69098.

It is an arithmetic number, because the mean of its divisors is an integer number (67955860).

Almost surely, 2^1355745020 is an apocalyptic number.

1355745020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1355745020 is an abundant number, since it is smaller than the sum of its proper divisors (1906136260).

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

1355745020 is a wasteful number, since it uses less digits than its factorization.

1355745020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24102 (or 24100 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 1355745020 is about 36820.4429631149. The cubic root of 1355745020 is about 1106.7749964518.

The spelling of 1355745020 in words is "one billion, three hundred fifty-five million, seven hundred forty-five thousand, twenty".