20708162 has 4 divisors (see below), whose sum is σ = 31062246. Its totient is φ = 10354080.

The previous prime is 20708141. The next prime is 20708179. The reversal of 20708162 is 26180702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 7392961 = 3649^2 + 2719^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5177039 + ... + 5177042.

Almost surely, 2^20708162 is an apocalyptic number.

20708162 is a deficient number, since it is larger than the sum of its proper divisors (10354084).

20708162 is a wasteful number, since it uses less digits than its factorization.

20708162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10354083.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20708162 is about 4550.6221552662. The cubic root of 20708162 is about 274.6084211990.

Adding to 20708162 its reverse (26180702), we get a palindrome (46888864).

The spelling of 20708162 in words is "twenty million, seven hundred eight thousand, one hundred sixty-two".