20372000 has 96 divisors (see below), whose sum is σ = 54722304. Its totient is φ = 7392000.

The previous prime is 20371999. The next prime is 20372029. The reversal of 20372000 is 27302.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 43769 + ... + 44231.

It is an arithmetic number, because the mean of its divisors is an integer number (570024).

Almost surely, 2^20372000 is an apocalyptic number.

20372000 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 20372000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27361152).

20372000 is an abundant number, since it is smaller than the sum of its proper divisors (34350304).

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

20372000 is a wasteful number, since it uses less digits than its factorization.

20372000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 20372000 is about 4513.5351998184. The cubic root of 20372000 is about 273.1143728618.

Adding to 20372000 its reverse (27302), we get a palindrome (20399302).

The spelling of 20372000 in words is "twenty million, three hundred seventy-two thousand".