20095140 has 48 divisors (see below), whose sum is σ = 60596928. Its totient is φ = 4946304.

The previous prime is 20095133. The next prime is 20095171. The reversal of 20095140 is 4159002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12102 + ... + 13661.

It is an arithmetic number, because the mean of its divisors is an integer number (1262436).

Almost surely, 2^20095140 is an apocalyptic number.

20095140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20095140 is an abundant number, since it is smaller than the sum of its proper divisors (40501788).

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

20095140 is a wasteful number, since it uses less digits than its factorization.

20095140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25788 (or 25786 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 20095140 is about 4482.7603103445. The cubic root of 20095140 is about 271.8714971143.

The spelling of 20095140 in words is "twenty million, ninety-five thousand, one hundred forty".