20774200 has 48 divisors (see below), whose sum is σ = 48612960. Its totient is φ = 8256000.

The previous prime is 20774197. The next prime is 20774213. The reversal of 20774200 is 247702.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47985 + ... + 48415.

It is an arithmetic number, because the mean of its divisors is an integer number (1012770).

Almost surely, 2^20774200 is an apocalyptic number.

20774200 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 20774200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24306480).

20774200 is an abundant number, since it is smaller than the sum of its proper divisors (27838760).

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

20774200 is a wasteful number, since it uses less digits than its factorization.

20774200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 20774200 is about 4557.8723106292. The cubic root of 20774200 is about 274.9000187508.

The spelling of 20774200 in words is "twenty million, seven hundred seventy-four thousand, two hundred".