20259112 has 8 divisors (see below), whose sum is σ = 37985850. Its totient is φ = 10129552.

The previous prime is 20259103. The next prime is 20259133. The reversal of 20259112 is 21195202.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 8328996 = 3454^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266187 + ... + 1266202.

Almost surely, 2^20259112 is an apocalyptic number.

It is an amenable number.

20259112 is a deficient number, since it is larger than the sum of its proper divisors (17726738).

20259112 is a wasteful number, since it uses less digits than its factorization.

20259112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532395 (or 2532391 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 20259112 is about 4501.0123305763. The cubic root of 20259112 is about 272.6089657642.

The spelling of 20259112 in words is "twenty million, two hundred fifty-nine thousand, one hundred twelve".