20202259 has 24 divisors (see below), whose sum is σ = 26355888. Its totient is φ = 15301440.

The previous prime is 20202251. The next prime is 20202311. The reversal of 20202259 is 95220202.

It is not a de Polignac number, because 20202259 - 2³ = 20202251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20202251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19437 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (1098162).

Almost surely, 2^20202259 is an apocalyptic number.

20202259 is a deficient number, since it is larger than the sum of its proper divisors (6153629).

20202259 is a wasteful number, since it uses less digits than its factorization.

20202259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20202259 is about 4494.6923142747. The cubic root of 20202259 is about 272.3537199917.

The spelling of 20202259 in words is "twenty million, two hundred two thousand, two hundred fifty-nine".