20792200 has 96 divisors (see below), whose sum is σ = 56871360. Its totient is φ = 6969600.

The previous prime is 20792197. The next prime is 20792201. The reversal of 20792200 is 229702.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (20792201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28237 + ... + 28963.

It is an arithmetic number, because the mean of its divisors is an integer number (592410).

Almost surely, 2^20792200 is an apocalyptic number.

20792200 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 20792200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28435680).

20792200 is an abundant number, since it is smaller than the sum of its proper divisors (36079160).

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

20792200 is a wasteful number, since it uses less digits than its factorization.

20792200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20792200 is about 4559.8464886441. The cubic root of 20792200 is about 274.9793923952.

It can be divided in two parts, 2079 and 2200, that multiplied together give a triangular number (4573800 = T₃₀₂₄).

The spelling of 20792200 in words is "twenty million, seven hundred ninety-two thousand, two hundred".