20670076 has 12 divisors (see below), whose sum is σ = 41340208. Its totient is φ = 8858592.

The previous prime is 20670061. The next prime is 20670137. The reversal of 20670076 is 67007602.

20670076 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 738217 = 20670076 / (2 + 0 + 6 + 7 + 0 + 0 + 7 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369081 + ... + 369136.

Almost surely, 2^20670076 is an apocalyptic number.

It is an amenable number.

20670076 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20670076 is a wasteful number, since it uses less digits than its factorization.

20670076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738228 (or 738226 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 20670076 is about 4546.4355268716. The cubic root of 20670076 is about 274.4399666107.

Adding to 20670076 its reverse (67007602), we get a palindrome (87677678).

The spelling of 20670076 in words is "twenty million, six hundred seventy thousand, seventy-six".