20120698 has 16 divisors (see below), whose sum is σ = 32951016. Its totient is φ = 9158400.

The previous prime is 20120657. The next prime is 20120713. The reversal of 20120698 is 89602102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17665209 + 2455489 = 4203^2 + 1567^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 7198.

Almost surely, 2^20120698 is an apocalyptic number.

20120698 is a deficient number, since it is larger than the sum of its proper divisors (12830318).

20120698 is a wasteful number, since it uses less digits than its factorization.

20120698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 20120698 is about 4485.6101034307. The cubic root of 20120698 is about 271.9867081884.

The spelling of 20120698 in words is "twenty million, one hundred twenty thousand, six hundred ninety-eight".