20672038 has 8 divisors (see below), whose sum is σ = 32640120. Its totient is φ = 9792000.

The previous prime is 20672027. The next prime is 20672039. The reversal of 20672038 is 83027602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20671997 and 20672015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20672039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271963 + ... + 272038.

It is an arithmetic number, because the mean of its divisors is an integer number (4080015).

Almost surely, 2^20672038 is an apocalyptic number.

20672038 is a deficient number, since it is larger than the sum of its proper divisors (11968082).

20672038 is a wasteful number, since it uses less digits than its factorization.

20672038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544022.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20672038 is about 4546.6512951842. The cubic root of 20672038 is about 274.4486496005.

The spelling of 20672038 in words is "twenty million, six hundred seventy-two thousand, thirty-eight".