20080146 has 16 divisors (see below), whose sum is σ = 40204224. Its totient is φ = 6686064.

The previous prime is 20080129. The next prime is 20080147. The reversal of 20080146 is 64108002.

It is not an unprimeable number, because it can be changed into a prime (20080147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (2512764).

Almost surely, 2^20080146 is an apocalyptic number.

20080146 is an abundant number, since it is smaller than the sum of its proper divisors (20124078).

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

20080146 is a wasteful number, since it uses less digits than its factorization.

20080146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 20080146 is about 4481.0875911993. The cubic root of 20080146 is about 271.8038612659.

Adding to 20080146 its reverse (64108002), we get a palindrome (84188148).

The spelling of 20080146 in words is "twenty million, eighty thousand, one hundred forty-six".