20627004 has 24 divisors (see below), whose sum is σ = 49790160. Its totient is φ = 6638464.

The previous prime is 20627003. The next prime is 20627011. The reversal of 20627004 is 40072602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627003) 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, 29289 + ... + 29984.

It is an arithmetic number, because the mean of its divisors is an integer number (2074590).

Almost surely, 2^20627004 is an apocalyptic number.

It is an amenable number.

20627004 is an abundant number, since it is smaller than the sum of its proper divisors (29163156).

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

20627004 is a wasteful number, since it uses less digits than its factorization.

20627004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59309 (or 59307 counting only the distinct ones).

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

The square root of 20627004 is about 4541.6961589256. The cubic root of 20627004 is about 274.2492093965.

Adding to 20627004 its reverse (40072602), we get a palindrome (60699606).

The spelling of 20627004 in words is "twenty million, six hundred twenty-seven thousand, four".