20299200 has 84 divisors (see below), whose sum is σ = 66614040. Its totient is φ = 5411840.

The previous prime is 20299171. The next prime is 20299211. The reversal of 20299200 is 299202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2686 + ... + 6914.

Almost surely, 2^20299200 is an apocalyptic number.

20299200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20299200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33307020).

20299200 is an abundant number, since it is smaller than the sum of its proper divisors (46314840).

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

20299200 is a wasteful number, since it uses less digits than its factorization.

20299200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 20299200 is about 4505.4633502005. The cubic root of 20299200 is about 272.7886568900.

The spelling of 20299200 in words is "twenty million, two hundred ninety-nine thousand, two hundred".