20630702 has 8 divisors (see below), whose sum is σ = 31000536. Its totient is φ = 10297192.

The previous prime is 20630699. The next prime is 20630711. The reversal of 20630702 is 20703602.

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

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, 7613 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (3875067).

Almost surely, 2^20630702 is an apocalyptic number.

20630702 is a deficient number, since it is larger than the sum of its proper divisors (10369834).

20630702 is a wasteful number, since it uses less digits than its factorization.

20630702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18162.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20630702 is about 4542.1032573027. The cubic root of 20630702 is about 274.2655975088.

Subtracting 20630702 from its reverse (20703602), we obtain a square (72900 = 270²).

The spelling of 20630702 in words is "twenty million, six hundred thirty thousand, seven hundred two".