20396698 has 16 divisors (see below), whose sum is σ = 36094464. Its totient is φ = 8459280.

The previous prime is 20396689. The next prime is 20396741. The reversal of 20396698 is 89669302.

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, 23065 + ... + 23932.

It is an arithmetic number, because the mean of its divisors is an integer number (2255904).

Almost surely, 2^20396698 is an apocalyptic number.

20396698 is a deficient number, since it is larger than the sum of its proper divisors (15697766).

20396698 is a wasteful number, since it uses less digits than its factorization.

20396698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47037.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 20396698 is about 4516.2703639176. The cubic root of 20396698 is about 273.2246983853.

The spelling of 20396698 in words is "twenty million, three hundred ninety-six thousand, six hundred ninety-eight".