20250672 has 160 divisors (see below), whose sum is σ = 62995968. Its totient is φ = 5541888.

The previous prime is 20250661. The next prime is 20250673. The reversal of 20250672 is 27605202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20250673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243943 + ... + 244025.

Almost surely, 2^20250672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20250672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31497984).

20250672 is an abundant number, since it is smaller than the sum of its proper divisors (42745296).

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

20250672 is a wasteful number, since it uses less digits than its factorization.

20250672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20250672 is about 4500.0746660472. The cubic root of 20250672 is about 272.5711039656.

Adding to 20250672 its reverse (27605202), we get a palindrome (47855874).

The spelling of 20250672 in words is "twenty million, two hundred fifty thousand, six hundred seventy-two".