20973300 has 36 divisors (see below), whose sum is σ = 60683616. Its totient is φ = 5592800.

The previous prime is 20973299. The next prime is 20973301. The reversal of 20973300 is 337902.

It is an interprime number because it is at equal distance from previous prime (20973299) and next prime (20973301).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20973301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34656 + ... + 35255.

It is an arithmetic number, because the mean of its divisors is an integer number (1685656).

Almost surely, 2^20973300 is an apocalyptic number.

20973300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20973300 is an abundant number, since it is smaller than the sum of its proper divisors (39710316).

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

20973300 is a wasteful number, since it uses less digits than its factorization.

20973300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69928 (or 69921 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 20973300 is about 4579.6615595478. The cubic root of 20973300 is about 275.7754422147.

The spelling of 20973300 in words is "twenty million, nine hundred seventy-three thousand, three hundred".