20029300 has 18 divisors (see below), whose sum is σ = 43463798. Its totient is φ = 8011680.

The previous prime is 20029259. The next prime is 20029307. The reversal of 20029300 is 392002.

It can be written as a sum of positive squares in 3 ways, for example, as 6280036 + 13749264 = 2506^2 + 3708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20029307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100047 + ... + 100246.

Almost surely, 2^20029300 is an apocalyptic number.

20029300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20029300 is an abundant number, since it is smaller than the sum of its proper divisors (23434498).

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

20029300 is a wasteful number, since it uses less digits than its factorization.

20029300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200307 (or 200300 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 20029300 is about 4475.4105956884. The cubic root of 20029300 is about 271.5742510418.

The spelling of 20029300 in words is "twenty million, twenty-nine thousand, three hundred".