148840020 has 72 divisors (see below), whose sum is σ = 515983104. Its totient is φ = 34020288.

The previous prime is 148840019. The next prime is 148840039. The reversal of 148840020 is 20048841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57804 + ... + 60323.

It is an arithmetic number, because the mean of its divisors is an integer number (7166432).

Almost surely, 2^148840020 is an apocalyptic number.

148840020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148840020 is an abundant number, since it is smaller than the sum of its proper divisors (367143084).

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

148840020 is a wasteful number, since it uses less digits than its factorization.

148840020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118149 (or 118144 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 148840020 is about 12200.0008196721. Note that the first 3 decimals coincide. The cubic root of 148840020 is about 529.9561136083.

Adding to 148840020 its reverse (20048841), we get a palindrome (168888861).

The spelling of 148840020 in words is "one hundred forty-eight million, eight hundred forty thousand, twenty".