20029180 has 12 divisors (see below), whose sum is σ = 42061320. Its totient is φ = 8011664.

The previous prime is 20029157. The next prime is 20029189. The reversal of 20029180 is 8192002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20029189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500710 + ... + 500749.

It is an arithmetic number, because the mean of its divisors is an integer number (3505110).

Almost surely, 2^20029180 is an apocalyptic number.

20029180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20029180 is an abundant number, since it is smaller than the sum of its proper divisors (22032140).

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

20029180 is a wasteful number, since it uses less digits than its factorization.

20029180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001468 (or 1001466 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 20029180 is about 4475.3971890772. The cubic root of 20029180 is about 271.5737086868.

The spelling of 20029180 in words is "twenty million, twenty-nine thousand, one hundred eighty".