20020674 has 8 divisors (see below), whose sum is σ = 40041360. Its totient is φ = 6673556.

The previous prime is 20020673. The next prime is 20020687. The reversal of 20020674 is 47602002.

It is a happy number.

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

20020674 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020674.

It is not an unprimeable number, because it can be changed into a prime (20020673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668384 + ... + 1668395.

It is an arithmetic number, because the mean of its divisors is an integer number (5005170).

Almost surely, 2^20020674 is an apocalyptic number.

20020674 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.

20020674 is a wasteful number, since it uses less digits than its factorization.

20020674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336784.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20020674 is about 4474.4467814468. The cubic root of 20020674 is about 271.5352592337.

Adding to 20020674 its reverse (47602002), we get a palindrome (67622676).

The spelling of 20020674 in words is "twenty million, twenty thousand, six hundred seventy-four".