147783020 has 72 divisors (see below), whose sum is σ = 393860880. Its totient is φ = 46058880.

The previous prime is 147783019. The next prime is 147783049. The reversal of 147783020 is 20387741.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3926 + ... + 17634.

It is an arithmetic number, because the mean of its divisors is an integer number (5470290).

Almost surely, 2^147783020 is an apocalyptic number.

147783020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147783020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196930440).

147783020 is an abundant number, since it is smaller than the sum of its proper divisors (246077860).

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

147783020 is a wasteful number, since it uses less digits than its factorization.

147783020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 147783020 is about 12156.6039665690. The cubic root of 147783020 is about 528.6986227691.

The spelling of 147783020 in words is "one hundred forty-seven million, seven hundred eighty-three thousand, twenty".