20010672 has 80 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 6062400.

The previous prime is 20010637. The next prime is 20010691. The reversal of 20010672 is 27601002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 2647 + ... + 6857.

It is an arithmetic number, because the mean of its divisors is an integer number (783432).

Almost surely, 2^20010672 is an apocalyptic number.

20010672 is a gapful number since it is divisible by the number (22) 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 20010672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31337280).

20010672 is an abundant number, since it is smaller than the sum of its proper divisors (42663888).

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

20010672 is a wasteful number, since it uses less digits than its factorization.

20010672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 20010672 is about 4473.3289617465. The cubic root of 20010672 is about 271.4900335159.

Adding to 20010672 its reverse (27601002), we get a palindrome (47611674).

The spelling of 20010672 in words is "twenty million, ten thousand, six hundred seventy-two".