20672376 has 32 divisors (see below), whose sum is σ = 51843840. Its totient is φ = 6869088.

The previous prime is 20672371. The next prime is 20672411. The reversal of 20672376 is 67327602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20672371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7635 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (1620120).

Almost surely, 2^20672376 is an apocalyptic number.

It is an amenable number.

20672376 is an abundant number, since it is smaller than the sum of its proper divisors (31171464).

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

20672376 is a wasteful number, since it uses less digits than its factorization.

20672376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723 (or 2719 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 20672376 is about 4546.6884652459. The cubic root of 20672376 is about 274.4501453914.

Adding to 20672376 its reverse (67327602), we get a palindrome (87999978).

The spelling of 20672376 in words is "twenty million, six hundred seventy-two thousand, three hundred seventy-six".