20008702 has 16 divisors (see below), whose sum is σ = 35407872. Its totient is φ = 8298360.

The previous prime is 20008669. The next prime is 20008721. The reversal of 20008702 is 20780002.

It is a self number, because there is not a number n which added to its sum of digits gives 20008702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22618 + ... + 23485.

It is an arithmetic number, because the mean of its divisors is an integer number (2212992).

Almost surely, 2^20008702 is an apocalyptic number.

20008702 is a deficient number, since it is larger than the sum of its proper divisors (15399170).

20008702 is a wasteful number, since it uses less digits than its factorization.

20008702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46143.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 20008702 is about 4473.1087623710. The cubic root of 20008702 is about 271.4811240547.

Adding to 20008702 its reverse (20780002), we get a palindrome (40788704).

The spelling of 20008702 in words is "twenty million, eight thousand, seven hundred two".