193145020 has 12 divisors (see below), whose sum is σ = 405604584. Its totient is φ = 77258000.

The previous prime is 193144999. The next prime is 193145039. The reversal of 193145020 is 20541391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828606 + ... + 4828645.

It is an arithmetic number, because the mean of its divisors is an integer number (33800382).

Almost surely, 2^193145020 is an apocalyptic number.

193145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193145020 is an abundant number, since it is smaller than the sum of its proper divisors (212459564).

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

193145020 is a wasteful number, since it uses less digits than its factorization.

193145020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657260 (or 9657258 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 193145020 is about 13897.6623933667. The cubic root of 193145020 is about 578.0443646778.

The spelling of 193145020 in words is "one hundred ninety-three million, one hundred forty-five thousand, twenty".