146668020 has 24 divisors (see below), whose sum is σ = 410670624. Its totient is φ = 39111456.

The previous prime is 146668009. The next prime is 146668043. The reversal of 146668020 is 20866641.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1222174 + ... + 1222293.

It is an arithmetic number, because the mean of its divisors is an integer number (17111276).

Almost surely, 2^146668020 is an apocalyptic number.

146668020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

146668020 is an abundant number, since it is smaller than the sum of its proper divisors (264002604).

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

146668020 is a wasteful number, since it uses less digits than its factorization.

146668020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444479 (or 2444477 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 146668020 is about 12110.6572901722. The cubic root of 146668020 is about 527.3656149365.

The spelling of 146668020 in words is "one hundred forty-six million, six hundred sixty-eight thousand, twenty".