20898602 has 16 divisors (see below), whose sum is σ = 32864832. Its totient is φ = 9955680.

The previous prime is 20898587. The next prime is 20898629. The reversal of 20898602 is 20689802.

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, 563 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (2054052).

Almost surely, 2^20898602 is an apocalyptic number.

20898602 is a deficient number, since it is larger than the sum of its proper divisors (11966230).

20898602 is a wasteful number, since it uses less digits than its factorization.

20898602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 20898602 is about 4571.4988789236. The cubic root of 20898602 is about 275.4476543686.

The spelling of 20898602 in words is "twenty million, eight hundred ninety-eight thousand, six hundred two".