20073000 has 64 divisors (see below), whose sum is σ = 62637120. Its totient is φ = 5352000.

The previous prime is 20072993. The next prime is 20073007. The reversal of 20073000 is 37002.

It is an interprime number because it is at equal distance from previous prime (20072993) and next prime (20073007).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20073007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 6345.

It is an arithmetic number, because the mean of its divisors is an integer number (978705).

Almost surely, 2^20073000 is an apocalyptic number.

20073000 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 20073000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31318560).

20073000 is an abundant number, since it is smaller than the sum of its proper divisors (42564120).

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

20073000 is a wasteful number, since it uses less digits than its factorization.

20073000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6701 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 20073000 is about 4480.2901691743. The cubic root of 20073000 is about 271.7716148064.

The spelling of 20073000 in words is "twenty million, seventy-three thousand".